May 26, 2013
Mohenjo
Science
amazon, ambystoma mexicanum, aquatic salamander, biology, business, climate, Daily Discovery, Environment, Hotels, huffingtonpost, human-rights, Immune Cells, immune system, Limb Regeneration, monash university, Ocean Science, research, Salamander Regeneration, Salamanders, Salamanders Regrow, Science, Science News, Slideshow, technology, Technology News, travel, vacation, Video, Weird Science
FROM
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Salamanders can regrow entire limbs and regenerate parts of major organs, an ability that relies on their immune systems, research now shows.
A study of the axolotl (Ambystoma mexicanum), an aquatic salamander, reveals that immune cells called macrophages are critical in the early stages of regenerating lost limbs. Wiping out these cells permanently prevented regeneration and led to tissue scarring. The findings hint at possible strategies for tissue repair in humans.
“We can look to salamanders as a template of what perfect regeneration looks like,” lead study author James Godwin said in a statement. “We need to know exactly what salamanders do and how they do it well, so we can reverse-engineer that into human therapies,” added Goodwin, of the Australian Regenerative Medicine Institute (ARMI) at Monash University in Melbourne. [Ready for Med School? Test Your Body Smarts]
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The axolotl, an aquatic salamander, can regenerate lost limbs.
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http://www.huffingtonpost.com/2013/05/21/limb-regeneration-salamanders-immune-cells-axolotl_n_3311704.html?ref=topbar
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May 16, 2013
Mohenjo
Science
amazon, Anatomy, biology, business, Corkscrew Esophagus, Endoscopy, england journal of medicine, Esophageal Motility Disorders, Esophagus, Esophagus Spasm, Gastroesophageal Reflux, Health, Hotels, huffingtonpost, medicine, mental-health, myaol, new england journal, New England Journal of Medicine, research, Science, Science News, Slideshow, Spiraling Esophagus, swiss woman, technology, Technology News, travel, university hospital zurich, vacation, Video, Weird Science
FROM
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An 87-year-old Swiss woman who suffered painful spasms in her chest turned out to have an esophagus that twisted itself into a corkscrew shape whenever she swallowed, according to a report of her case.
The woman had lost 11 pounds in the past several months, and told doctors she had cramplike spasms shortly after eating.
Her doctors performed an endoscopy and found that, when she swallowed, her esophagus had the same helical shape as a playground twisty slide.
X-ray images revealed the startling, corkscrew shape taking form.
“The magnitude of this finding was extraordinary,” said Dr. Luc Biedermann, of the University Hospital Zurich, who treated the woman and reported the case in this week’s New England Journal of Medicine.
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Doctors say an 87-year-old woman had an esophagus that twisted itself into a corkscrew shape when she swallowed. Above, image of the esophagus.
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http://www.huffingtonpost.com/2013/05/10/spiral-esophagus-swiss-woman-corkscrew-gullet_n_3253439.html?icid=maing-grid7|myaol|dl2|sec1_lnk3%26pLid%3D311635
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May 16, 2013
Mohenjo
Science
amazon, Antigravity, Antimatter, antimatter counterpart, Antimatter Gravity, berkeley national laboratory, business, climate, Environment, experimental measurements, Gravity Antimatter, Hotels, huffingtonpost, Large Hadron Collider, Lawrence Berkeley National Laboratory, Particle Physics, Physics, research, Science, Science News, Slideshow, strange cousin, technology, Technology News, travel, vacation, Video, Weird Science
FROM
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When it comes to antimatter, what goes up doesn’t necessarily come down. In a new study, physicists weighed antimatter in an effort to determine how this strange cousin of matter interacts with gravity.
Ordinary matter atoms fall down due to the pull of gravity, but the same might not be true of antimatter, which has the same mass as matter, but opposite charge and spin. Scientists wondered whether antimatter atoms would instead fall up when pulled by gravity, and whether such a thing as antigravity exists.
“In the unlikely event that antimatter falls upward, we’d have to fundamentally revise our view of physics and rethink how the universe works,” Joel Fajans, a physicist at the Lawrence Berkeley National Laboratory in California, said in a statement.
Fajans and his colleagues at the Alpha experiment at Switzerland’s CERN physics lab made the first experimental measurements of the gravitational mass of antihydrogen — the antimatter equivalent of hydrogen, made of an antiproton and a positron (the antimatter counterpart to an electron). [Whoa! The Coolest Little Particles in Nature]
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This illustration of antimatter shows antiparticle beside its particle mirror-image.
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http://www.huffingtonpost.com/2013/04/30/antimatter-gravity-alpha-experiment-cern-force-atoms_n_3187289.html?ref=topbar
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May 4, 2013
Mohenjo
Medical
amazon, Anatomical Wonders, aviation, Babies, biology, business, cars, Cause Of Conjoined Twins, celebrities, climate, Conjoined Twins Heart, Conjoined Twins Separated, Conjoined Twins Virginia, current-events, entertainment, Health, Hotels, huffingtonpost, human-rights, Jones Twins, medicine, research, Science, Science News, Slideshow, technology, Technology News, transportation, travel, Types Of Conjoined Twins, vacation, Video, Virginia Commonwealth University, Weird Science
FROM
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Doctors in Virginia made science history on Monday when they successfully completed a first-of-its-kind surgical procedure to separate six-month-old conjoined twin girls.
The 14-hour operation was performed at the Children’s Hospital of Richmond at VCU in Virginia, where the girls are now in stable condition.
A’zhari and A’zhiah Jones of Franklin, Virginia, were born as so-called thoracopagus twins, meaning their bodies were fused at the abdomen and that they had heart abnormalities.
The first stage of the Jones twins’ phased separation began in October 2012, when surgeons divided their shared liver, and then closed the girls’ abdomens back up.
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http://www.huffingtonpost.com/2013/04/26/conjoined-twins-separated-phased-surgery_n_3156368.html?ref=topbar
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April 27, 2013
Mohenjo
Science
amazon, aviation, blogging, business, celebrities, entertainment, gaming, History Of Science, Hotels, huffingtonpost, Human Computer, India, internet, Math Genius, mathematician, Mathematics, religion, research, Science, Science News, Shakuntala Devi, southern methodist university, technology, Technology News, transportation, travel, vacation, Video, Weird Science, Women Scientists, World News
FROM
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Quick: What’s the cube root of 61,629,875?
Stumped? Shakuntala Devi, the woman known as the “Human Computer,” could tell you, and probably faster than any mathematical computer could.
Devi, who passed away on April 21 at age 83 in her hometown of Bangalore, India, toured the world as a prodigy for much of her life, making appearances on radio, television and in theaters, the New York Times reports.
In a 1977 appearance at Southern Methodist University in Dallas, Devi found the 23rd root of a 201-digit number in just 50 seconds, besting a slowpoke Univac computer that took 62 seconds to make the same calculation. The root of a number (“X”) is equal to another number (“Y”) that can be multiplied by itself a given number of times to equal “X.” So the 23rd root of “X” equals “Y” multiplied by itself 23 times.
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Shakuntala Devi (November 4, 1929 – April 21, 2013), Indian mental calculator known as the ‘Human Computer,’ has died.
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.Click link below for story, slideshow, and video:
http://www.huffingtonpost.com/2013/04/26/shakuntala-devi-human-computer-math-prodigy-dies-india_n_3164180.html?ref=topbar
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April 4, 2013
Mohenjo
Science
amazon, business, climate, ferromagnetic particles, gadgets, gaming, horror flick, Hotels, How Do Magnets Work, huffingtonpost, Magnetic Fields, Magnetic Silly Putty, Magnetic Silly Putty Time-Lapse, Magnets, Rare-Earth Magnet, research, Science, Science News, Silly Putty, technology, Technology News, time lapse video, travel, vacation, Video, Weird Science, youtube clip
FROM
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In a scene straight out of the 1958 horror flick “The Blob,” a new YouTube clip shows a lump of magnetic silly putty completely engulfing a magnet.
The event, captured by YouTube user Scott Lawson, actually took an hour and a half, but luckily we’re treated to a time-lapse view.
How does it work? “Ferromagnetic particles in the putty are strongly attracted to the magnet and very slowly engulf the surface of the magnet,” Lawson wrote in the video’s description. “The putty looks and feels like regular silly putty, but the difference lies in the fact that it has been infused with millions of micron-sized ferrous particles.”
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.Click link below for story and videos:
http://www.huffingtonpost.com/2013/03/28/magnetic-silly-putty-time-lapse-video_n_2972566.html?utm_hp_ref=mostpopular
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March 23, 2013
Mohenjo
Science
amazon, brain cancer, business, Cara Santa Maria, climate, Cryogenics, Cryonic Preservation, Cryonics, Cryonics Death, Cryonics Institute, gaming, Health, Hotels, huffingtonpost, Kim Suozzi, medicine, occupy-wall-street, politics, research, Science, Science News, Slideshow, Talk Nerdy To Me, technology, Technology News, travel, vacation, Video, Weird Science, What Is Cryonics
FROM
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It’s been said that nothing in this world is certain, except death and taxes. But what if you could freeze your body immediately after death and be revived in the distant future, when medical science has found a cure for your injuries or illness? You’d be able to cheat death (and perhaps your taxes)! Indeed, this is what advocates of the cryonics movement believe–so much so that they are willing to wager a lot of money and their own bodies.
Kim Suozzi was one of those people. She passed away this year, at the tender age of 23, of brain cancer. She chose to have her body frozen in the hopes that one day, she may come back to life.
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.Click link below for story, video, and slideshow:
http://www.huffingtonpost.com/2013/03/18/cryonics-death-video_n_2883492.html?ref=topbar
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March 12, 2013
Mohenjo
Science
3d printer, amazon, animal kingdom, animals, business, Chicago, climate, fluid dynamics, gaming, Hotels, huffingtonpost, Knot Math, Knot Physics, Knot Vortex, knotted vortex, Mathematics, Physics, physics experiment, research, Science, Science News, shoelaces, technology, Technology News, Topology, travel, Turbulence, University of Chicago, vacation, Video, videogames, vortex, Weird Science
FROM
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After a century of studying their tangled mathematics, physicists can tie almost anything into knots, including their own shoelaces and invisible underwater whirlpools. At least, they can now thanks to a little help from a 3D printer and some inspiration from the animal kingdom.
Physicists had long believed that a vortex could be twisted into a knot, even though they’d never seen one in nature or the even in the lab. Determined to finally create a knotted vortex loop of their very own, physicists at the University of Chicago designed a wing that resembles a delicately twisted ribbon and brought it to life using a 3D printer.
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.Click link below for story, slideshow, and video:
http://www.huffingtonpost.com/2013/03/04/knot-physics-experiment-water-knotted-vortex-loop_n_2806702.html?utm_hp_ref=mostpopular
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March 7, 2013
Mohenjo
Science
amazon, Anatomy, Archaeology, biology, business, climate, Dark Ages, Death, European Mummy, gaming, Health, History Of Science, Hotels, huffingtonpost, human-rights, middle-east, Mummies, Mummy Head, religion, research, Science, science history, Science News, technology, Technology News, travel, vacation, Video, videogames, Weird Science
FROM
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In the second century, an ethnically Greek Roman named Galen became doctor to the gladiators. His glimpses into the human body via these warriors’ wounds, combined with much more systematic dissections of animals, became the basis of Islamic and European medicine for centuries.
Galen’s texts wouldn’t be challenged for anatomical supremacy until the Renaissance, when human dissections — often in public — surged in popularity. But doctors in medieval Europe weren’t as idle as it may seem, as a new analysis of the oldest-known preserved human dissection in Europe reveals.
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This anatomical specimen dating to the 1200s is the oldest known in Europe.
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.Click link below for story, slideshow, and video:
http://www.huffingtonpost.com/2013/03/06/mummy-head-europe-oldest-human-dissection_n_2814030.html?icid=maing-grid7|myaol|dl17|sec1_lnk3%26pLid%3D279657
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March 2, 2013
Mohenjo
Science
90 percent of your cells are bacterial, amazon, biology, business, Candiru, Cara Santa Maria, climate, distinct categories, Ectoparasites, Endoparasites, Flatworms, germs, Hotels, huffingtonpost, Human Body, Human Microbiome Project, Human Parasites, leach, Malaria, microbial communities, Nematodes, NIH's Human Microbiome Project, nutrients, Parasites, Protozoa, Protozoan, research, Science, Science News, symbionts, Talk Nerdy To Me, technology, Technology News, travel, vacation, Video, Weird Science
FROM
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Did you know that only one in ten of the cells in your body is actually human? That’s right. A whopping 90 percent of your cells are bacterial, viral, or parasitic in nature.
The NIH’s Human Microbiome Project is ambitiously aiming to characterize the microbial communities living in us. And while the vast majority of these germs are symbionts, once in a while, we pick up a straggling critter that’s not just along for the ride–it’s there to leach our nutrients at all costs.
These parasites fall in five distinct categories, the first of which is the most numerically abundant animal on Earth: nematodes.
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.Click link below for story, video, and slideshow:
http://www.huffingtonpost.com/2013/02/18/human-parasites-video_n_2679698.html?utm_hp_ref=talk-nerdy-to-me
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