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What Is the Blood Vessel Disease Trump Is Diagnosed With?

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President Donald Trump has been diagnosed with chronic venous insufficiency, a disease of the vessels that carry blood back to the heart from elsewhere in the body.

White House Press Secretary Karoline Leavitt disclosed the diagnosis during a press conference on July 17 in response to public concern raised by photographs of the president with significant swelling around his ankles and bruises on his hands.

A July 17 letter from Sean Barbabella, the president’s physician, noted that Trump, age 79, underwent several diagnostic tests, including blood work and an echocardiogram, which did not identify any signs of systemic illness or heart failure. “President Trump remains in excellent health,” Barbabella wrote.

Chronic venous insufficiency is “a very, very common thing, and for [President Trump’s] age, it’s totally understandable that he has it,” says Monara Dini, a treating physician at the University of California, San Francisco, Center for Limb Preservation.

Chronic venous insufficiency—a subset of a larger category of conditions called venous disorders—predominantly affects the legs and causes only pain rather than more serious harm or systemic issues. The condition is quite common—affecting perhaps 5 percent of U.S. adults, according to Cleveland Clinic—and the risk of developing it increases as people age.

The network of vessels that carries blood throughout the body includes two main types of tubing. Arteries carry freshly oxygenated blood away from the core of your body to the extremities, while veins carry blood back to the heart and lungs. Arteries need to withstand high pressure and only contain between 10 and 15 percent of the body’s blood at a time.

Veins are under much less pressure and therefore can have thinner walls and hold more blood. In addition, they contain one-way valves that keep blood flowing in the proper direction, back toward the internal organs. Chronic

venous insufficiency is characterized by weakened valves in leg veins, allowing blood to flow backward and pool under the force of gravity, according to Johns Hopkins Medicine. These valves leak more often as people age, Dini says.

The most common cause of chronic venous insufficiency is a blood clot that damages the valve. Symptoms of the condition predominantly affect the legs and include achiness, cramping at night, swelling and discoloration, leathery looking skin, and open sores called ulcers.

“The worst outcome of having this condition is ulcers that can develop,” Dini says. “The skin is retaining so much fluid that it can, at some point, burst and break the skin, and you develop ulcerations. It happens a lot, and that’s more devastating in the sense that it requires wound care. It can be painful and life-altering.”

Bruising of the hands is not a symptom of chronic venous insufficiency, Dini says. In his letter about Trump, Barbabella attributed this to “minor soft tissue irritation from frequent handshaking and the use of aspirin, which is taken as part of a standard cardiovascular prevention regimen.”

Chronic venous insufficiency is more likely to occur in people who are overweight or pregnant, who have had a leg injury or blood clots or who have family members who have also dealt with chronic venous insufficiency. Other risk factors can include smoking and insufficient exercise.

Typically, management of chronic venous insufficiency relies on keeping the legs elevated, increasing exercise, and reducing weight. Compression therapy, which can include the use of compression socks or pumps, can also help alleviate symptoms, Dini says. In certain cases, doctors may recommend minor surgical interventions to either repair or remove damaged tissue. Chronic venous insufficiency is a progressive condition that cannot be healed or reversed, however.

venous insufficiency is characterized by weakened valves in leg veins, allowing blood to flow backward and pool under the force of gravity, according to Johns Hopkins Medicine. These valves leak more often as people age, Dini says.

The most common cause of chronic venous insufficiency is a blood clot that damages the valve. Symptoms of the condition predominantly affect the legs and include achiness, cramping at night, swelling and discoloration, leathery looking skin, and open sores called ulcers.

“The worst outcome of having this condition is ulcers that can develop,” Dini says. “The skin is retaining so much fluid that it can, at some point, burst and break the skin, and you develop ulcerations. It happens a lot, and that’s more devastating in the sense that it requires wound care. It can be painful and life-altering.”

Bruising of the hands is not a symptom of chronic venous insufficiency, Dini says. In his letter about Trump, Barbabella attributed this to “minor soft tissue irritation from frequent handshaking and the use of aspirin, which is taken as part of a standard cardiovascular prevention regimen.”

Chronic venous insufficiency is more likely to occur in people who are overweight or pregnant, who have had a leg injury or blood clots, or who have family members who have also dealt with chronic venous insufficiency. Other risk factors can include smoking and insufficient exercise.

Typically, management of chronic venous insufficiency relies on keeping the legs elevated, increasing exercise, and reducing weight. Compression therapy, which can include the use of compression socks or pumps, can also help alleviate symptoms, Dini says. In certain cases, doctors may recommend minor surgical interventions to either repair or remove damaged tissue. Chronic venous insufficiency is a progressive condition that cannot be healed or reversed, however.

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https://static.scientificamerican.com/dam/m/5b4f3fdf2855667a/original/sa0725_Trump_and_Macron.jpg?m=1752788168.655&w=1200

U.S. President Donald Trump meets with French President Emmanuel Macron in the Oval Office at the White House on February 24, 2025.  Photo by Chip Somodevilla/Getty Images

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Click the link below for the complete article:

https://www.scientificamerican.com/article/what-is-chronic-venous-insufficiency-trumps-blood-vessel-condition/

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Stop Taking So Long to Reply to Texts. You’re Sabotaging Your Friendships

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Depending on who you ask, texting is either an easy way to keep in touch or an overbearing item on an ever-growing to-do list. What’s convenient for one person may be a burden to another, which can cause strains on some relationships. 

So, how long can someone go without texting you back before they end up on the friendship chopping block? Not very long, if you ask me. 

It might come across as harsh, but I believe healthy relationships are sustained by timely communication, instead of consistently leaving someone on Read or Delivered for a week. It becomes practically impossible to coordinate hangouts or share life updates if someone can’t bother to respond to your messages within a reasonable window, or otherwise call you if that’s how they prefer to chat. 

Friends who take days to reply — if they ever do — come off as indifferent and uninterested, especially when they don’t arrange alternative ways to catch up. You might start to wonder how much they actually value your time and effort, and why they don’t prioritize communicating with you. Repeated offenses can make it tempting to throw in the towel and invest your energy elsewhere.  

How long can you go without texting someone back?

I’ll first acknowledge my personal bias here: I have always enjoyed texting. It’s been my preferred method of communication since I got my first phone at 13 years old and discovered the magic of talking to my friends anytime, anywhere. 

It’s no coincidence that some of my closest friends tend to be people with whom I regularly text. There’s a sense of familiarity that comes from sharing your day-to-day experiences and thoughts. It’s also a fun way to engage in banter and share relatable memes and videos.

And before I upset anyone — if I haven’t already — I’ll again acknowledge that for some people, texting isn’t enjoyable. But I still think people have a responsibility to communicate clearly and frequently with loved ones if they hope to maintain those relationships, whether it’s a text, phone call, or in-person meetup.  

So, what’s an acceptable window of time for someone to text you back? 

Despite how unaccommodating I may come off in that frank introduction, I do like to give people chances. If someone takes days to reply to me the first time, or simply never gets back to me, I let it go. But if it happens again, that’s a strike. I believe you should always text someone back within a 24-hour period — notwithstanding special circumstances like travel or illness, etc. 

Repeatedly taking several days to reply is not only inconsiderate, it also just kills the vibe. Why do I care if you laughed at a meme I sent you five days ago? At that point, I won’t even remember what I reached out to you about. And if I’m asking you about going to an event and you only respond after it’s over, that unlocks a whole other level of annoyance. 

I believe the time and effort you invest in friendships includes replying to texts within a reasonable period (as long as your friend isn’t bombarding your inbox, of course). So if someone continuously takes days to reply, I take it as my sign to stop trying, and to put that energy into the friends who won’t leave me waiting.

A more personal way to stay in touch

As a teenager, my friends and I would text each other around the clock, sending a steady stream of messages and photos about anything and everything, most of it totally inconsequential. (Being young and unemployed made this all the easier.)

But as we got older and busier, and as social media began eating up our free time, text messages were largely supplanted by posting and consuming content on platforms like Facebook and Instagram. Our digital activity became less personal, more performative, and less conducive to maintaining relationships. Social media gives the false impression of keeping up with someone without actually talking to them, so relationships tend to fracture.

Most people have witnessed the awkwardness of someone not replying to your text for days, but ceaselessly posting on social media. Time and energy goes into both activities, and choosing to bypass personal interactions for more public-facing ones can prevent you from feeling a genuine connection to the people who care to reach out to you. Taking 30 seconds to reply to a text could be the difference between making and breaking a meaningful relationship. 

While phone calls and in-person meetups are undoubtedly the best ways to have an in-depth conversation with someone, finding a time that works for both parties can be a challenge, given how increasingly hectic our lives have become. Texting can be a comparatively low-lift way to build a true sense of camaraderie and connection.

So, the next time you think it’s not a big deal to leave someone on Read or Delivered, maybe reconsider what your actions (or lack thereof) may convey. 

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https://www.cnet.com/a/img/resize/b6be5a8b2b4555ca59178707d9c3082d1ce0ad4b/hub/2025/04/29/50f8ee31-c9a3-406c-9471-3c3c5ca0a7a5/text-message.jpg?auto=webp&fit=crop&height=675&width=1200

Friends don’t leave friends on Read for days.  Jason Chun and Viva Tung/CNET

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Click the link below for the complete article:

https://www.cnet.com/tech/mobile/stop-taking-so-long-to-reply-to-texts-youre-sabotaging-your-friendships/

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‘He’s taxing us’: Trump makes new tariff threats

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The president issued letters to several countries, including South Korea and Japan, warning that the tariff rate on their goods would go up on August 1. It came after Treasury Secretary Scott Bessent admitted that many governments never contacted the United States for trade talks. Susan Glasser, Akayla Gardner and Justin Wolfers join.

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Click the link below for the complete video (sound On):

https://www.msn.com/en-ca/money/markets/he-s-taxing-us-trump-makes-new-tariff-threats/vi-AA1Ia2Ae?ocid=hpmsn&cvid=765351f76e8f45f786f801b8cddf8983&ei=53#details

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Math Is Quietly in Crisis over NSF Funding Cuts

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Hmmmm… As usual, this administration is shortsighted and will put our country further behind the world!

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Mathematics research typically requires few materials. To explore the secrets of prime numbers, investigate unimaginable shapes or elucidate other fundamental mysteries of our universe, mathematicians don’t usually need special labs and equipment or to pay participants in clinical trials. Instead, funding for mathematicians goes toward meetings of the mind—conferences, workshops, and institutes where they gather for intensive sessions to work out math’s knottiest problems. Funding also supports the stipends of research fellows, postdoctoral scholars, and promising early-career mathematicians.

But under the Trump administration’s National Science Foundation, much of this funding is being revoked or cut, which, according to experts, could be catastrophic for the present and future of the field. In one recent example, the NSF canceled funding for the Association for Women in Mathematics’ research symposium in Wisconsin just four business days before the event was set to begin in May. The threat to this event catalyzed the American Mathematical Society to offer $1 million in backstop grants to support programs whose federal funding has been cut or remains in limbo. These grants are meant to provide a financial safety net that will temporarily allow math programs, researchers, and departments to continue operating—but it’s not a permanent solution. (Disclosure: The author of this article currently has a AAAS Mass Media Fellowship at Scientific American that is sponsored by the American Mathematical Society.)

“The funding cut is severe, and all of mathematics will be impacted,” says Raegan Higgins, president of the Association for Women in Mathematics and a mathematician at Texas Tech University.

Movies and television shows often portray mathematicians scribbling on chalkboards in seclusion, but that picture is often far from accurate. “None of us work in isolation,” Higgins says. In fact, mathematicians rely heavily on their ability to gather and discuss ideas with their peers—perhaps even more than researchers in other fields do. For mathematicians, conferences, workshops, and research talks are not just opportunities to share research and network but also crucial moments to work out tough problems together with colleagues, pose field-propelling questions, and generate new ideas.

“It’s a thinking science, [and] it’s a communication science, so we rely on being together to share ideas and to move the needle forward,” says Darla Kremer, executive director of the Association for Women in Mathematics. According to John Meier, CEO of the American Mathematical Society, “the ability of mathematicians to gather and talk with each other is absolutely central to the vitality of the field.”

Federal dollars, largely through the NSF, are responsible for a significant portion of math funding. But a lot of that funding is disappearing under the Trump administration. In April, NSF staff members were instructed to “stop awarding all funding actions until further notice.” Over the past 10 years, on average, the NSF has awarded $113 million in grants to mathematics by May 21 of each year. This year, the NSF has awarded only $32 million, representing a 72 percent reduction. By this metric, mathematics is one of the most deeply affected subjects, second only to physics, which has seen an 85 percent reduction. 

The administration is also canceling and freezing funding that it had previously promised to researchers. More than $14 million of funding already promised to mathematics programs was revoked earlier this year, according to an analysis by Scientific American. In response to a request for comment, the National Science Foundation told Scientific American that “the agency has determined that termination of certain awards is necessary because they are not in alignment with current NSF priorities and/or programmatic goals.”

This withdrawal of grants is eroding trust and seeding uncertainty, experts say, and it comes with long-term consequences. Even if funding gets renewed again later, it can be very difficult for halted programs to recover. “If you have to shut down a lab and mothball it, that actually takes time and effort,” Meier says. “You can’t just walk in two weeks later, flip a switch, and have everything running again. You’ve got to rebuild it.” Even in mathematics, that process of rebuilding is time-intensive and not always possible if the space has been reallocated or the people have moved on.

American Mathematical Society leadership fears these cuts will hurt young mathematicians the most. Like in the sciences, the funding cuts are eliminating research experiences and supportive programming for undergraduates, fellowships for graduate students and positions for postdoctoral researchers. Travel funding for conferences is also disappearing, which leaves young researchers to choose between shelling out for airfare and lodging they can’t really afford and forgoing major career and research-building opportunities. As these opportunities disappear, young mathematicians are beginning to look elsewhere—either to more lucrative jobs in the private sector or to more supportive countries. “We worry about diminishing opportunities in the United States and people early in their career deciding that maybe there’s a more profitable venue for them to pursue mathematics in another country,” Meier says. “We love good mathematics wherever it arises, but we’d really like to see a lot of it arising in the United States. We think that’s very, very important.”

 The $1 million in backstop grants can’t fill the hole left by the more than $14 million in promised funding that has been denied or the more than $80 million in reduced funding so far this year. But it might be enough to keep many projects afloat simply by offering guaranteed access to funds in a turbulent time. “I think one of the great difficulties that we’re dealing with right now is the high level of uncertainty,” Meier says. Some mathematicians, for example, simply don’t know whether their projects are still being funded or not. In some applications for the backstop grants, researchers “basically talk about being ghosted,” Meier explains. “They say, ‘I can’t actually verify that we no longer have funding. I can only tell you my program officer [at the NSF] isn’t replying to my request for information.’” 

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https://static.scientificamerican.com/dam/m/5f16f1cf224369be/original/math_on_crumpled_paper.jpg?m=1752848869.215&w=1200

The U.S. National Science Foundation has made devastating cuts to mathematics funding.  Vlajko611/Getty Images

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Click the link below for the complete article:

https://www.scientificamerican.com/article/can-u-s-math-research-survive-nsf-funding-cuts/

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Kiplinger Business Costs Outlook: Uncertainty Lower, Costs Higher

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Measures of business uncertainty have begun to ease recently, with tariff deals being announced with Japan and the European Union. The National Federation of Independent Business (NFIB) Uncertainty Index declined in June and will likely come down further in July. When uncertainty declines, businesses tend to be more willing to invest and expand. Perhaps related to the decline in uncertainty is that bank lending for commercial and industrial purposes has bumped up in June and July after staying flat for two years. However, businesses are still showing their caution by limiting their hiring plans.

Labor costs continue to ease slowly at the mid-year mark. Annual wage growth has dipped from 3.9% at the beginning of the year to 3.7% now, and should hit 3.5% by the end of 2025. However, production worker/blue collar wage growth should stay a bit higher, at 3.7%, as slowing immigration reduces labor supply for these jobs. Of course, the construction, agriculture, retail, leisure, and hospitality industries will be most affected by possible labor shortages because of their reliance on immigrants.

Tariffs will add about 15% to the cost of most imports, on average. Businesses will face the decision of whether to pass that cost along to end-users or customers. Some will accept reduced profit margins in order to maintain current customer relationships. As more trade deals are made and the future landscape turns more predictable, businesses can project pricing decisions better. But the prices of raw materials like steel, aluminum, copper, and graphite could jump, given special tariff rates of 50% or more. Commerce Department investigations are continuing for semiconductors, pharmaceuticals, and lumber. A lumber import tariff of 35% is expected when that investigation concludes in the next month or two.

Other tariffs that have been implemented include an additional 20% on imports from China, bringing the rate to 30%; 25% on imported motor vehicles; 25% on imports from Canada and Mexico that were not covered under the previous USMCA agreement (which is up for renegotiation in July 2026); and 10% on energy imports from Canada. Recent trade agreements include 15% tariffs on Japan and the European Union, and 10% on the United Kingdom. Important for foreign automakers is that these trade deals mean a reduction from the original tariff of 25% imposed on auto imports back in April.

The cost of shipping by truck will follow the seasonal pattern of the past two years. Rates have fluctuated in a narrow band for a while, and won’t pick up appreciably until demand for manufactured goods and home construction improves. However, UPS and FedEx rates have spiked this year as earlier surcharges appear to be permanent. As a result, shippers are looking to slower, cheaper services like FedEx Ground Economy, UPS Ground Saver, and, of course, the U.S. Postal Service.

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Kiplinger video

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Click the link below for the complete article (video -sound on):

https://www.kiplinger.com/economic-forecasts/business-spending

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The game-changing new missile that could halt China

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A frantic arms race between the US and China is underway in the Pacific while the fate of Taiwan hangs in the balance.

Washington and its allies are trying to stay ahead of Chinese capabilities, shaking Beijing off-balance as it considers whether it can launch a successful invasion of Taiwan.

At the heart of the US strategy is a new technology that has the ability to inflict devastating losses on the Chinese navy: precision strike missiles (PrSMs, pronounced “prisms”).

The missile has just been tested in Australia, where it struck a target more than 190 miles away, marking the first time the Lockheed Martin-manufactured weapon has been used by a US ally.

It can be fired with either American-made HIMARS or British MLRS artillery systems: missile launchers that were recently used by Ukraine to launch counter-offensives on invading Russian forces and strike deep inside enemy territory, blunting Moscow’s advances.

Game-changing firepower

To date, those launchers have been used with Atacms missiles, which have been in service for more than three decades with a top range of some 190 miles.

But PrSMs reportedly have a range of more than 300 miles, with the potential for this to improve in future variants. And at the recent test flight in Australia, the missile reached speeds of 4,000kmph, beating the Atacms by some 300kmph.

Each launch pod will be able to hold two of the precision missiles, compared to just a single Atacm, according to Alex Miller, the US Army’s chief technology officer. It is also said to be less susceptible to jamming.

The PrSMs combine those next-generation improvements with the advantages of the Himars and MLRS systems, which are quick, agile and relatively easy to disguise – and could wreak havoc on Chinese ships attempting an invasion.

Brad Bowman, a senior director at the Foundation for Defence of Democracies, said: “It really creates a challenge for our adversaries, because where that system is now, it may not be there in 30 seconds or five minutes… That’s a real detection and targeting dilemma.”

Both the US and China are ramping up their military capabilities in the Pacific and particularly around Taiwan, which Beijing regards as part of its territory even though it has effectively been independent since the 1940s.

Taiwan under threat

Earlier this year, Xi Jinping, the Chinese premier, said “reunification” with China was inevitable, and that those on either side of the Taiwan Strait were “one family”.

China has regularly threatened Taiwan with fighter jet and warship incursions, but has always stopped short of a direct confrontation.

At a security conference in May, Pete Hegseth, the US defence secretary, warned that a Chinese invasion of Taiwan “could be imminent”.

The stakes couldn’t be higher, for both sides.

If the US’s military capabilities are outstripped by China, it would prove fatal to Taiwan, which relies on Washington to provide a credible deterrent. And if the island nation falls, it means the loss of a key strategic buffer against Beijing expansionism.

But failing to take the island would inflict a stunning blow on China, and almost certainly lead to the fall of Xi’s regime.

“There’s always a constant battle with both sides to try to respond to whatever advances the other side has,” said Doug Bandow, a senior fellow with the Cato Institute.

“But I’d say these [PrSMs] have the potential for dramatically increasing the risk factor for a Chinese fleet. So that’s substantial.”

China’s military will be only too aware of the damage Ukraine has managed to inflict on Russia using Himars since they were first provided by the US in June 2022, and will be warily eyeing the upgraded precision missiles.

Taiwan already has 11 HIMARS from previous arms sales with the US, and it is expected to receive more in 2026.

Mr Bandow said the PrSMs will have inflicted an important psychological blow on China without any shots even being fired, and could convince its leadership to delay its imperial ambitions.

“The most important advantage of a weapons advance like this is it simply encourages the Chinese to say, ‘No… we don’t have to do it now’,” he told The Telegraph.

“In my view, the best chance of getting through this is to simply have that happen a lot. And hopefully we can get to a point, whatever that point is, where everyone agrees war is really stupid and this won’t happen.”

Credit: Taiwan Military News Agency

Real damage could be inflicted on the Chinese fleet, both in ports and moving out to a potential invasion, if PRSs are deployed throughout Taiwan and the rest of the first island chain, which includes Japan, Indonesia and parts of the Philippines.

Australia aligns with US

Elsewhere in the Pacific, Australia signed a $310m deal with the US to join the missile programme in June.

“This is all about extending deterrence in the Indo-Pacific, all about signalling to any potential adversary that pain can be inflicted,” Pat Conroy, Australia’s defence industry minister, said at the test flight this month.

But China is also moving quickly to innovate, and earlier this year appeared to be constructing D-Day style barges for an invasion that would allow it to bypass rocky or soft beaches unsuitable for tanks, providing multiple fronts for an invasion.

Some experts are concerned the US is too slow to procure PrSMs. The Pentagon’s recent funding request to Congress shows the army intends to buy 44 of the missiles from Lockheed Martin.

“There’s very rarely a decisive game changer by itself… but this is a key capability for the United States and our allies to have,” Mr Bowman said.

“That is the ability to sink Chinese naval vessels in large quantities from ground-based mobile platforms. That’s why I think we need a whole lot of them, fast.”

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https://img-s-msn-com.akamaized.net/tenant/amp/entityid/AA1JuZ5W.img?w=626&h=391&m=6An Australian Army HIMARS fires a Precision Strike Missile (PrSM) in the Northern Territory during Exercise Talisman Sabre 2025 – CPL Cameron Pegg

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Click the link below for the complete article:

https://www.msn.com/en-ca/news/world/the-game-changing-new-missile-that-could-halt-china/ar-AA1Jv8XU?ocid=hpmsn&cvid=c87fbb7047304ed8a4f472ba1abe377c&ei=32

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China Is Putting Data Centers in the Ocean to Keep Them Cool

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To grow its economy, China is betting big on artificial intelligence, cloud computing, and other digital technology—and a big part of that bet involves rapidly building data centers to boost computing power. But these massive collections of servers gobble up growing amounts of energy, and each one cycles through hundreds of thousands of gallons of water a day to carry away the heat they generate.

That means these facilities—in China and beyond—will increasingly compete with water demand linked directly to human survival, from agriculture to daily drinking. Many companies have sited their data centers in some of the driest regions of the world, including Arizona, parts of Spain, and the Middle East, because dry air reduces the risks of damage to the equipment from humidity, according to an investigation by the nonprofit journalist organization SourceMaterial and the Guardian. Partly to address water concerns, China is now putting a data center in the wettest place there is: the ocean. This June construction began on a wind-powered underwater data center about six miles off the coast of Shanghai, one of China’s AI hubs. [Read more: What Do Google’s AI Answers Cost the Environment?]

“China’s ambitious approach signals a bold shift toward low-carbon digital infrastructure, and it could influence global norms in sustainable computing,” says Shabrina Nadhila, an analyst at energy-focused think tank Ember, who has researched data centers.

Keeping Data Centers Cool

Data centers store information and perform complex calculations for businesses, whose increasing automation is steadily ramping up such needs. These facilities consume vast amounts of electricity and water because their servers work nonstop and in close proximity—and they generate waste heat as a by-product, which can damage equipment and destroy data. So they need to be constantly cooled.

Instead, undersea data centers use pipes to pump seawater through a radiator on the back of server racks to absorb heat and carry it away. Hailanyun—the company sometimes referred to as HiCloud, that is behind the Shanghai data center—says an assessment conducted with the China Academy of Information and Communications Technology shows its project uses at least 30 percent less electricity than on-land data centers, thanks to natural cooling.

The Shanghai center will also be connected to a nearby offshore wind farm that is set to supply 97 percent of its energy, says Hailanyun spokesperson Li Langping.

The project’s first phase is designed to contain 198 server racks—enough to hold 396 to 792 AI-capable servers—and is slated to begin operation in September, Li says. It is expected to provide enough computing power to complete the equivalent of training GPT-3.5—the large language model that OpenAI released in 2022 and used to fine-tune ChatGPT—in the space of a day, he adds. Yet Hailanyun’s Shanghai center is small compared with a typical land-based one: a medium-scale data center in China normally has up to 3,000 standard racks, while a superscale version can contain more than 10,000.

Leapfrogging the U.S.

At the core of Hailanyun’s $223-million Shanghai gambit is a technology that Microsoft pioneered more than a decade ago under an effort called Project Natick, in which the company sank a shipping-container-sized capsule holding more than 800 servers 117 feet below the surface off the coast of Scotland. After hauling up the pod two years later, Microsoft found that underwater data centers “are reliable, practical and use energy sustainably.”

The experiment also resulted in fewer broken servers compared with on-land data centers because the vessel was sealed off and filled with nitrogen, which is less corrosive than oxygen, Microsoft said in a 2020 press release. The lack of people also meant that the equipment avoided physical contacts or movements that may otherwise cause them damage in an on-land center, the company said.

But Microsoft has reportedly shelved Project Natick. A company spokesperson did not answer questions about whether or not the project was terminated. Instead, they provided a statement: “While we don’t currently have data centers in the water, we will continue to use Project Natick as a research platform to explore, test, and validate new concepts around data center reliability and sustainability.”

Hailanyun aims to leapfrog American companies: if the Shanghai project is successful, Li expects his company to springboard toward large-scale deployments of offshore, wind-powered undersea data centers with the support of the Chinese government.

Zhang Ning, a postdoctoral researcher at the University of California, Davis, who specializes in next-generation low-carbon infrastructure, notes that Hailanyun has moved from a pilot project conducted in Hainan in December 2022 to commercial rollouts in less than 30 months—“something Microsoft’s Project Natick never attempted.”

Environmental Concerns

In spite of the apparent benefits of underwater data centers, some concerns remain—especially over potential environmental impacts. Microsoft researchers found their pod had caused some localized warming in the sea, though the impact was limited. “The water just meters downstream of a Natick vessel would get a few thousandths of a degree warmer at most,” they wrote.

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https://static.scientificamerican.com/dam/m/28e3d08deebfe963/original/Data-center-1.jpg?m=1753199196.259&w=1200

The underwater data center pictured here was a pilot project off the coast of Hainan. Another, more advanced, one is now being built off Shanghai.  Shanghai Hailanyun Technology

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Click the link below for the complete article:

https://www.scientificamerican.com/article/china-powers-ai-boom-with-undersea-data-centers/

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Trump’s trade war victory is already under siege

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The economy was supposed to crumble. The trade war was expected to escalate out of control. Markets were forecast to plunge.

None of that happened – at least, not yet.

President Donald Trump has pulled off what few outside the White House predicted: A trade war victory of sorts that sets America’s taxes on imported goods higher than the infamous Smoot-Hawley era, without any of the damaging fallout so far. Customs revenue has increased sharply while inflation remains reasonably low. And America’s trading partners, for the most part, have been willing to accept the higher tariffs without significant retaliation.

Multiple framework agreements between the United States and other trading partners have jacked up tariffs on foreign goods imported to America while setting levies on US exports at or near zero. Overseas trading partners have agreed to open previously closed markets to some US goods, pledged increased investments in the United States and dropped some of what the Trump administration has lambasted as non-trade barriers, like taxes on digital services.

But Trump’s early trade victory may be short-lived. In fact, it is already showing signs that it may not last.

EU is already turning against its deal

The European Union, fresh off its 11th-hour compromise to get a trade agreement done before Trump’s self-imposed August 1 deadline, is already in revolt.

French Prime Minister François Bayrou called Sunday a “dark day.” Hungarian Prime Minister and Trump ally Viktor Orban said Trump steamrolled the EU. Belgium’s Prime Minister Bart De Wever lambasted the Trump administration’s “delusion of protectionism.” And Bernd Lange, chair of the European Parliament’s trade committee, said the deal is “not satisfactory.”

The 27-member bloc has to hammer out key aspects of its framework, and the fragile trade truce between two of the world’s largest economies could quickly break apart if sentiment turns against the arrangement.

Canada’s not playing ball

The Trump administration’s trade talks with its northern neighbor and one of its largest trading partners have been effectively shut down. Despite Canada relenting on its digital services tax that the president has lambasted, Trump continued to threaten higher tariffs on some Canadian goods, including lumber.

Although many goods imported from Canada continue to be tariff-free because of the US-Mexico-Canada free trade agreement, the USMCA only covers just about half of Canadian goods. So higher tariffs on Canada could raise some costs for American consumers down the road.

And the fact that America is even embroiled in a trade spat with Canada in the first place is a sign that the recent cooling off in the trade war may not last: Trump negotiated and signed the United States’ current trade agreement with Canada during his first term. At any time, even after an agreement is inked, Trump could turn around and decide to raise tariffs again.

Elusive China deal

A third round of talks between China and the United States’ trade negotiators is expected to result in a continued pause of their historically high tariffs on one another. But it’s unclear what else might come from the discussions, and the Trump administration has grown frustrated by what it has described as China’s slow-walking of its previous agreements.

Both sides have aimed to reduce more regulatory barriers on shipments of key technologies. China has sought more access to critical semiconductors, and the United States wants the flow of rare earth magnets to increase further.

But the Trump administration has tried repeatedly to speed up China’s slow progress, claiming the country has failed to live up to its agreement to approve the critical materials for crucial electronics. Trump has also said he wants China to open up its market to more US goods – a desire that Chinese Premier Xi Jinping is unlikely to give in to significantly.

Trump’s rhetoric against China has cooled in recent months, but the truce appears to be on a knife’s edge.

Key court decision

A crucial appeals court hearing Thursday could determine whether most of Trump’s tariffs are legal at all.

For most of his tariffs, Trump has cited powers listed in the International Emergency Economic Powers Act. But a federal court in May ruled that Trump overstepped his authority to levy tariffs on that basis.

An appeals court paused that ruling from taking effect and will hear oral arguments Thursday. It’s not clear when the court will rule, and the White House would likely appeal to the Supreme Court if it loses.

If Trump ultimately loses his ability to levy tariffs using emergency powers, he has plenty of other options – but legal experts have said those alternatives could limit his ability to set tariffs without Congress. For example, Trump may be able to impose some tariffs as high as just 15% but only for 150 days, potentially taking some of the bite out of his tariff regime.

Economy is flashing some warning signs

Although the US economy remains strong, with rebounding retail sales, a still-robust labor market, and rising consumer confidence, there is some evidence that inflation in key areas is starting to creep higher – slowly – because of tariffs. That’s a potential warning sign as the tariffs take full effect.

The Bureau of Labor Statistics’ Consumer Price Index, earlier this month, showed that some tariff-affected goods have started to gain in price. Clothing, appliances, computers, sporting goods, toys, video equipment, hardware, and tools prices have been on the rise. And it’s starting to become a trend – in many of those categories, the rise has been happening for a few months.

Many major retailers, including Walmart, have said they will raise prices because of tariffs. Procter & Gamble, which makes Tide and a host of consumer goods, said Tuesday it will raise prices in part because of tariffs. And GM, Volkswagen, and Stellantis all reported tariff charges of $1 billion or more over the past quarter.

Economists widely expect inflation to pick up in the late summer and throughout the rest of the year as retailers work through the inventories of goods they had stockpiled before tariffs went into effect. No one expects anything close to the inflation crisis of a few years ago. But with consumers still dealing with price-hike PTSD, that won’t be a welcome change from the return to healthy inflation levels over the past year.

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Click the link below for the complete article:

https://edition.cnn.com/2025/07/29/business/trade-war-trump

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I Asked ChatGPT What Would Happen If Billionaires Paid Taxes at the Same Rate as the Middle Class

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Taxes can get you thinking about fairness. For instance, when I’m calculating deductions on my salary and watching a decent chunk go to Uncle Sam, I can’t help but wonder: What if the ultra-wealthy paid the same percentage of their income in taxes that regular people do? So I decided to ask ChatGPT a simple question: “What would happen if billionaires paid taxes at the same rate as the middle class?” The AI’s response was more nuanced than I expected — and revealed some surprising truths about how our tax system really works.

Setting the Record Straight

First, ChatGPT corrected a common misconception I had. Based on actual data from PolitiFact and ProPublica investigations, the 25 wealthiest Americans currently pay an average federal income tax rate of 16% under existing law.

Meanwhile, households earning $50,000-$100,000 (where most teachers, firefighters, and other middle-class workers fall) typically pay an effective tax rate between 0% and 15%.

So contrary to what I’d heard, billionaires don’t actually pay less than teachers under current tax law. But here’s where it gets interesting.

How Wealth Grows vs. How Wages Work

ChatGPT explained that the issue isn’t necessarily the tax rates themselves, but how different types of income get taxed. This is where the system becomes genuinely unfair.

“Billionaires benefit from tax strategies that lower their effective tax burden compared to what ordinary income earners face on wages,” the AI explained. “The current system taxes work more than wealth.”

Here’s what that means in practice: When I get my salary, taxes come out immediately. When a billionaire’s stock portfolio increases in value by millions, they don’t pay taxes on that growth until (or unless) they sell those stocks.

The ‘Buy-Borrow-Die’ Strategy

ChatGPT broke down something called the “buy-borrow-die” strategy that wealthy people use to minimize taxes. It sounds like financial wizardry because, honestly, it kind of is.

Here’s how it works: Billionaires borrow money against their stock holdings (which isn’t taxed), live off those loans, and then pass their assets to heirs largely tax-free when they die. Meanwhile, regular people like me can’t defer taxes on our paychecks or borrow against our retirement accounts without major penalties.

The AI used ProPublica data to illustrate this: “The top 25 billionaires saw their wealth grow by $401 billion from 2014-2018, but paid just $13.6 billion in federal income taxes — an effective rate of 3.4% on wealth growth.”

That 3.4% figure is what really stung. While they’re paying their legal tax obligations on realized income, their actual wealth is growing at a rate that’s taxed far below what middle-class workers pay on their salaries.

What If We Changed the Rules?

ChatGPT ran the numbers on what would happen if billionaires paid taxes at the same rate middle-class families do — around 15%-22%.

Using the ProPublica data, if those top 25 billionaires had been taxed at a 20% rate on their wealth growth, they would have paid around $80 billion instead of $13.6 billion. 

“Extrapolate that across approximately 1,000 billionaires?” the AI asked. “You’re talking hundreds of billions in added revenue annually.”

Where That Money Could Go

The AI outlined several ways this massive revenue increase could transform government services:

  • Healthcare: We could expand Medicare and Medicaid, potentially moving toward universal coverage.
  • Education: Fund universal pre-K or make community college free for everyone.
  • Infrastructure and climate: Invest seriously in clean energy projects and fix our crumbling roads and bridges.
  • Debt reduction: Actually pay down the national debt instead of adding to it every year.

ChatGPT noted that this extra revenue could “stabilize the economy by boosting the spending power of everyday Americans.” Basically, reducing inequality in a way that helps everyone, not just those at the bottom.

What Surprised Me Most

The most eye-opening part was learning that the problem isn’t necessarily that billionaires are breaking the law or even paying lower rates on their taxable income. The issue is that our entire tax system is designed around taxing work rather than wealth.

“Middle-class families can’t defer taxes on wages or borrow against stocks tax-free,” ChatGPT pointed out. This creates a fundamental unfairness where people who work for their money get taxed immediately, while people whose money grows through investments can delay or even avoid those taxes entirely.

What We Need To Think About

After diving into ChatGPT’s analysis, I realized the conversation about billionaire taxes is more complicated than simple rate comparisons. Under current law, wealthy Americans do pay their required taxes. But the system allows their wealth to grow in ways that are largely untaxed, while regular workers pay taxes on every dollar they earn.

The AI concluded that if we could successfully tax billionaires more like middle-class workers, the results would mean hundreds of billions in additional revenue annually and potentially better funding for health, education, and climate programs. What’s more, it could have the power to reduce inequality and improve public trust in the tax system. 

Maybe the real question isn’t whether billionaires should pay more taxes, but whether our entire approach to taxing work versus wealth makes sense in an economy where most billionaires’ fortunes come from asset appreciation rather than traditional income.

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Trump Meets US House Republicans Following the US Election, Washington, District of Columbia, USA – 13 Nov 2024 © / Shutterstock / / Shutterstock

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Click the link below for the complete article:

https://www.msn.com/en-us/money/personalfinance/i-asked-chatgpt-what-would-happen-if-billionaires-paid-taxes-at-the-same-rate-as-the-middle-class/ar-AA1I2aW5?ocid=winp2fptaskbarhover&cvid=b979f3cdb45f42b4b84e09d2288a189d&ei=19

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Can Weather Really Trigger a Migraine?

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If you are one of the 39 million Americans in the U.S. living with migraines, there’s a good chance an intense headache will begin when the weather shifts.

You aren’t alone. Studies find 30% to 50% of people with migraines identify some type of weather change as a trigger, making it the most commonly reported migraine source.

Yet, it’s also one of the most puzzling.

Some people are more sensitive to weather

As a neurologist and headache specialist practicing in Colorado, a place with frequent weather shifts, patients often tell me that weather is one of their biggest migraine triggers. The results can disrupt work, school, and social plans, and create a sense of helplessness.

Doctors still don’t fully understand why some brains are more sensitive to environmental changes.

What we do know is that people with migraines have especially sensitive nervous systems, and that certain environmental changes – like shifts in air pressure, temperature, humidity, and air quality – can activate pathways in the brain that lead to pain.

Key ways weather can trigger migraines

Weather triggers can vary from person to person, but there are a few common migraine culprits:

Barometric pressure changes, or changes in atmospheric pressure, are among the most commonly cited triggers.

When a storm system moves in, the air pressure drops. Some scientists believe this change may affect the pressure inside your head or how blood vessels in your brain dilate and constrict.

One theory is that changes in barometric pressure may cause a small imbalance in the pressure between the inside of your skull and the outside environment. That might directly stimulate pain-sensitive nerves in the head, triggering inflammation and the start of a migraine.

Others point to inflammation, the way the brain processes sensory input, and changes in serotonin levels, which play a key role in activating migraine.

Temperature extremes, with very hot or very cold days, or sudden changes in temperature, can throw off the body’s internal balance. High humidity or rapid shifts in moisture levels can have a similar effect.

Air pollutants like ozone and nitrogen dioxide can cause inflammation in the nerves that play a role in migraines.

Bright sunlight can also be especially bothersome, likely due to heightened sensitivity to light and an overactive visual processing system in the brain.

Lightning and strong winds may also be linked to migraine attacks in certain individuals.

In short, weather changes can act as stressors on a brain that’s already wired to be more sensitive. The exact triggers and responses vary from person to person, but the research suggests that the interaction between weather and our biology plays a significant role for a subset of patients with migraines.

Steps you can take to reduce the pain

You can’t change the weather, but you can be proactive. Here are a few tips to help weather-proof your migraine routine:

  1. Track your migraines and watch the forecast: Use a migraine diary or app to track when attacks occur, along with weather conditions. Patterns may emerge, such as attacks a day before rain or during temperature changes, that will allow you to adjust your schedule or medication plan.

  2. Develop healthy eating, sleeping, and exercise habits: Dehydration, poor sleep, and skipped meals can magnify the effects of weather triggers, so keeping your body on an even keel helps reduce vulnerability. Regular exercise and a healthy diet can also help.

  3. Create a migraine-friendly environment: On days when the sun is harsh or the humidity is high, stay inside. Sunglasses, eye masks or even blue-light glasses can be helpful. Some people find that certain earplugs are able to reduce pressure changes felt in the middle ear.

  4. Try meditation, mindfulness techniques, or biofeedback, which teaches people to moderate their physiological responses, such as muscle responses and breathing. These strategies can help your nervous system become less reactive over time, which can be especially helpful when dealing with uncontrollable triggers like weather.

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Click the link below for the complete article:

https://www.scientificamerican.com/article/the-link-between-weather-and-migraines-explained-by-a-neurologist/

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