February 23, 2022
Mohenjo
Business, Food For Thought, Human Interest, Overlooked Past Article, Science, Technical
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An intact 2,300-year-old Etruscan tomb recently discovered in Italy may help shed light on an ancient civilization that flourished centuries before the rise of the Roman Empire.
The tomb, found in a field near Città della Pieve, about 30 miles southwest of Perugia, had been partially buried in a landslide, according to local news outlet Perugia Today.
Inside, archaeologists have found a number of artifacts including urns and a marble head, as well as two sarcophagi:
A worker had been plowing the field above the tomb in October when the machine jammed, leading to the spectacular find, according to Italian news outlet Umbria24, which says the tomb is at the end of a corridor 40 feet deep.
“It was a totally unexpected discovery,” Clarita Natalini of the archaeological superintendency of Umbria told Discovery News. “The area is away from the sites visited by tomb robbers and indeed the burial is undisturbed.”
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2,300-year-old Etruscan tomb
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February 23, 2022
Mohenjo
Business, Food For Thought, Human Interest, Science, Technical
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Scientists at Australian National University may have discovered the oldest stars in the Milky Way, formed before the galaxy itself, a discovery they say is as likely as finding a “needle in a haystack.” The research adds to scientists’ growing understanding of how the galaxy came to be.
What researchers described as a groundbreaking study, published Wednesday in the journal Nature, details the discovery of nine stars found at the center of the Milky Way with traits suggesting they were some of the first stars ever formed. Scientists said the stars dated to roughly 13.6 billion years ago or some 200 million years — a relatively short time frame when talking about the universe — after the Big Bang, the leading theory of how the universe was born.
“These pristine stars are among the oldest surviving stars in the Universe, and certainly the oldest stars we have ever seen,” Louise Howes, the study’s lead author, said in a statement.
The fact that these stars were discovered in the center of the Milky Way alone suggests they’re older than most stars. Howes said the Milky Way formed around the galaxy’s oldest stars.
The makeup of a really old star: These newly discovered stars are mostly pure energy, with low levels of carbon and iron, which contradicts scientists’ theory the early universe was laden with these elements. It’s long been believed the first stars exploded as a supernova, which would make the stars dense with heavy elements and less energy.
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Milky Way
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February 23, 2022
Mohenjo
Crime, Food For Thought, Human Interest, Medical, missed News, Political, Science, Technical
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February 22, 2022
Mohenjo
Business, Enthralling, Human Interest, Photographs
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The Bactrian camel, also known as the Mongolian camel or domestic Bactrian camel, is a large even-toed ungulate native to the steppes of Central Asia. It has two humps on its back, in contrast to the single-humped dromedary camel. Its population of two million exists mainly in the domesticated form. Their name comes from the ancient historical region of Bactria.
Domesticated Bactrian camels have served as pack animals in inner Asia since ancient times. With its tolerance for cold, drought, and high altitudes, it enabled the travel of caravans on the Silk Road. Bactrian camels, whether domesticated or feral, are a separate species from the wild Bactrian camel, which is the only truly wild (as opposed to feral) species of camel in the world.
The Bactrian camel shares the genus Camelus with the dromedary (C. dromedarius) and the wild Bactrian camel (C. ferus). The Bactrian camel belongs to the family Camelidae. The ancient Greek philosopher Aristotle was the first European to describe the species of Camelus: in his 4th-century-BC History of Animals, he identified the one-humped Arabian camel and the two-humped Bactrian camel. The Bactrian camel was given its current binomial name Camelus bactrianus by Swedish zoologist Carl Linnaeus in his 1758 publication Systema Naturae.
In 2007, Peng Cui (of the Chinese Academy of Sciences) and colleagues carried out a phylogenetic study of the evolutionary relationships between the two tribes of Camelidae: Camelini—consisting of the three Camelus species (the study considered the wild Bactrian camel as a subspecies of the Bactrian camel)—and Lamini—consisting of the alpaca (Vicugna pacos), the guanaco (Lama guanicoe), the llama (L. glama) and the vicuña (V. vicugna). The study revealed that the two tribes had diverged 25 million years ago (early Miocene), notably earlier than what had been previously estimated from North American fossils. Speciation began first in Lamini as the alpaca came into existence 10 million years ago. Nearly two million years later, the Bactrian camel and the dromedary emerged as two independent species. However, the fossil record suggests a far more recent divergence between the Bactrian camel and the dromedary because, despite a moderately rich fossil record of camelids, no fossil that fits within this divergence is older than middle Pleistocene (about 0.8 Ma). Wikipedia
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An image of Bactrian Camels
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February 22, 2022
Mohenjo
Business, Human Interest
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When I was a kid, I fantasized about a future in which science would have solved the whole world’s health problems. But like the jet pack that I also assumed I would have by now, that future just hasn’t materialized. Still, science is making some amazing progress in helping people with spinal cord injuries — a field that’s historically been very challenging forge forward in. Scientists are now testing a spinal cord implant in mice that may help people who are paralyzed walk again.
A paper released this morning in the journal Advanced Science detailed the development of the technology and laid out plans for upcoming clinical trials. Scientists used human tissue samples in a process that mimics the development of the spinal cord in embryos to create 3D implants. This is how it works: Scientists take the human tissue samples, use a process that stimulates them to become embryonic stem cells, and then uses those stem cells to create what is essentially a personalized implant made out of an individual’s own cells.
With this technology, scientists can eventually create personalized implants for people who need them, which they hope will reduce implant rejection. This is a really big deal. Apparently, one of the major obstacles scientists — and patients — have faced in their attempts to repair damaged spinal cords is the body’s natural tendency to reject anything foreign. Since these implants can be created out of an individual’s own cells, rejection becomes a lot less likely.
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Spinal cord implants
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February 22, 2022
Mohenjo
Business, Food For Thought, Human Interest, Science, Technical
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It’s been said that Marie Antoinette’s hair turned white the night before she was beheaded. The assumption is that the stress caused by her impending date with doom caused her locks to lose their color within hours. For what it’s worth, most scientists debunk the story but at the same time, do acknowledge that stress can play a role in the gradual process of hair turning gray.
Women start to go gray around age 35; men turn silvery around age 30. Depending on genes and overall health, gray hairs can make their first appearance in high school or come as late as age 50 for some people.
To understand whether your teenager can actually be blamed for causing you to go gray, you need to understand a bit of our physiology. A typical human head has about 100,000 follicles, each one capable of sprouting several hairs in a lifetime. At the bottom of each follicle is a little hair-growing factory where cells work together to assemble colored hair. The color comes from a pigment called melanin. Hair that has lost most of its melanin is gray; hair that has lost all of its melanin is white.
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Gray Hair
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February 22, 2022
Mohenjo
Arts, Crime, Food For Thought, Human Interest, Medical, missed News, Political, Science, Technical
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February 21, 2022
Mohenjo
Business, Enthralling, Human Interest, Photographs
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Ottawa is the capital city of Canada. Located on the south bank of the Ottawa River in the southern portion of the province of Ontario, Ottawa borders Gatineau, Quebec, and forms the core of the Ottawa–Gatineau census metropolitan area (CMA) and the National Capital Region (NCR). As of 2021, Ottawa had a city population of 1,017,449 and a metropolitan population of 1,488,307, making it the fourth-largest city and fourth-largest metropolitan area in Canada.
Founded in 1826 as Bytown, and incorporated as Ottawa in 1855, the city has evolved into the political center of Canada. Its original boundaries were expanded through numerous annexations and were ultimately replaced by a new city incorporation and amalgamation in 2001 which significantly increased its land area.
Ottawa has the most educated population among Canadian cities and is home to a number of colleges and universities, research and cultural institutions, including the University of Ottawa, Carleton University, the National Arts Centre, the National Gallery of Canada, and numerous national museums.
The city name Ottawa was chosen in reference to the Ottawa River, the name of which is derived from the Algonquin Odawa, meaning “to trade”. The city’s modern name in Algonquin language is Odàwàg. Ottawa is built on unceded Algonquin Anishinaabe territory, as Canada has never signed any treaty with the Algonquin Nation.
With the draining of the Champlain Sea around ten thousand years ago, the Ottawa Valley became habitable. Local populations used the area for wild edible harvesting, hunting, fishing, trade, travel, and camps for over 6,500 years. Ottawa is situated on the traditional land of the Algonquins, Indigenous peoples who are closely related to the Odawa and Ojibwe peoples. The Algonquins call the Ottawa River Kichi Sibi or Kichissippi meaning “Great River” or “Grand River”. The Ottawa River valley has archeological sites with arrowheads, pottery, and stone tools. Three major rivers meet within Ottawa, making it an important trade and travel area for thousands of years. Wikipedia
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An image from Ottawa, Canada
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February 21, 2022
Mohenjo
Business, Food For Thought, Human Interest, Political, Science, Technical
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It might have been a barking dog, or a crashed drone, or overheard chatter on walkie-talkies. But multiple military and intelligence sources told NBC News that something tipped off the terrorist targets of an early-morning raid by the U.S. and its allies in Yemen on Sunday, and all hell broke loose.
A well-rehearsed mission that was supposed to extract computers and other intelligence from an al Qaeda camp near a mountain village turned into a massive firefight involving Harrier jets, helicopter gunships, and gun-wielding jihadi women that killed one Navy SEAL, 14 al Qaeda fighters and, allegedly, non-combatant women and children.
According to a senior military official, one of the dead was an 8-year-old American girl, the daughter of U.S.-born al Qaeda leader Anwar al-Awlaki, who himself was killed in a U.S. strike in Yemen in 2011.
President Donald Trump declared Sunday’s mission a success, and the Pentagon released a statement Wednesday that said U.S. forces had captured “materials and information that is yielding valuable intelligence.”
But a senior military official told NBC News “almost everything went wrong.” A senior intelligence official with direct knowledge of the operation said it’s not yet clear if the mission was a success. “We went in with the intent of capturing phones and computers and we don’t know yet if anything of great value was obtained,” the official said.
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An image of 8-year-old Nora Anwar Al-Awlaki, who was killed in a raid in Yemen ordered by President Trump.Yemeni media / via Twitter
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February 21, 2022
Mohenjo
Business, Food For Thought, Human Interest, Science, Technical
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NASA’s advanced Kepler Space Telescope has been on the hunt for Earth-like planets in recent months, however, none have been capable of sustaining forms of life due to variables like a lack of water, an atmosphere that can’t support life, or harsh temperatures. However, CNN reported Thursday researchers have found two new planets — one on the edge of Earth’s solar system about 39 light-years away, another just outside of the region — that may be the first of their kind capable of hosting alien forms.”We haven’t even found anything close to this so far,” University of Maryland astronomer Drake Deming told CNN. “It’s more habitable, it’s less harsh and this gives us a good strong chance of actually finding life or something as opposed to the other Earth-like planets found to date.”
The planet nearest the solar system, dubbed GJ 1132b, is rocky, slightly bigger than Earth with 1.6 times the mass, and maintains a temperature of 260 degrees Celsius. “Our ultimate goal is to find a twin Earth, but along the way we’ve found a twin Venus,” Harvard-Smithsonian Center for Astrophysics astronomer David Charbonneau told Telegraph. “We suspect it will have a Venus-like atmosphere too, and if it does we can’t wait to get a whiff.”
“If we find this pretty hot planet has managed to hang onto its atmosphere over the billions of years it’s been around, that bodes well for the long-term goal of studying cooler planets that could have life,” Zachory Berta-Thompson of the Massachusetts Institute of Technology’s Kavli Institute for Astrophysics and Space Research, said in a statement. “We finally have a target to point our telescopes at, and [can] dig much deeper into the workings of a rocky exoplanet, and what makes it tick.”
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