March 23, 2013
Mohenjo
Science
amazon, business, climate, Daily Discovery, dinosaur egg, Dinosaur Egg Fossils, Dinosaur Eggs, Dinosaur Fossils, Dinosaur Nests, Dinosaurs, Egg Fossils, Fossils, Fossils Found, Hotels, huffingtonpost, late cretaceous period, northeastern spain, Paleontology, research, Sauropods, Science, Science News, Slideshow, Spain, spanish news agency, technology, Technology News, travel, vacation, Video
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Researchers in northeastern Spain say they’ve uncovered hundreds of dinosaur egg fossils, including four kinds that had never been found before in the region. The eggs likely were left behind by sauropods millions of years ago.
Eggs, eggshell fragments and dozens of clutches were nestled in the stratigraphic layers of the Tremp geological formation at the site of Coll de Nargó in the Spanish province of Lleida, which was a marshy region during the Late Cretaceous Period, the researchers said.
“Eggshells, eggs and nests were found in abundance and they all belong to dinosaurs, sauropods in particular,” the study’s leader, Albert García Sellés from the Miquel Crusafont Catalan Palaeontology Institute, told Spanish news agency SINC this week.
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http://www.huffingtonpost.com/2013/03/18/dinosaur-egg-fossils-found-spain-sauropods-nest_n_2899812.html
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March 17, 2013
Mohenjo
Science
aviation, biology, climate, De-Extinction, Dna, Extinct Animals, gaming, Gastric Brooding Frogs, nature, Polls, Prehistory, Science, Science News, Tedxdeextinction, transportation, Video, Woolly Mammoth, Wooly Mammoth, Wooly Mammoth Clone, Zoology
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Biologists briefly brought the extinct Pyrenean ibex back to life in 2003 by creating a clone from a frozen tissue sample harvested before the goat’s entire population vanished in 2000. The clone survived just seven minutes after birth, but it gave scientists hope that “de-extinction,” once a pipedream, could become a reality.
Ten years later, a group of researchers and conservationists gathered in Washington, D.C., today (March 15) for a forum called TEDxDeExtinction, hosted by the National Geographic Society, to talk about how to revive extinct animals, from the Tasmanian tiger and the saber-toothed tiger to the woolly mammoth and the North American passenger pigeon.
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This photo shows a museum worker inspecting a replica of a woolly mammoth (Mammuthus primigenius), a relative of modern elephants that went extinct 3,000 to 10,000 years ago.
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http://www.huffingtonpost.com/2013/03/15/de-extinction-wooly-mammoth-poll_n_2888386.html?utm_hp_ref=science
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March 17, 2013
Mohenjo
Science
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An often-despised common household pest may have disproven a deeply rooted biological principle — the idea that, as far as evolution is concerned, you can’t go backward.
Who’s the culprit? The lowly dust mite. By examining and mapping out the phylogenetic tree of the mite in a new study, researchers at the University of Michigan in Ann Arbor have found that evolution is reversible.
The idea has always been “once a parasite, always a parasite,” study co-author Dr. Barry OConnor, a professor at the university’s Department of Ecology and Evolutionary Biology, told The Huffington Post. But his recent study suggests otherwise.
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Dust mites may help prove that species do not hit an evolutionary “dead end,” according to a new study that suggests reversible evolution is possible on a complex ecological scale.
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http://www.huffingtonpost.com/2013/03/14/house-dust-mites-prove-reversible-evolution-study_n_2878379.html?ref=topbar
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March 17, 2013
Mohenjo
Science
"functionally cure" HIV, amazon, baby girl, bbc, bbc news, blogging, business, gaming, Health, HIV, HIV "functionally cure", HIV infection, HIV virus resurging, Hotels, medicine, news health, rapid treatment, Rapid treatment after HIV infection, research, Science, Science News, technology, Technology News, travel, vacation, videogames, www bbc co uk
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Rapid treatment after HIV infection may be enough to “functionally cure” about a 10th of those diagnosed early, say researchers in France.
They have been analysing 14 people who stopped therapy, but have since shown no signs of the virus resurging.
It follows reports of a baby girl being effectively cured after very early treatment in the US.
However, most people infected with HIV do not find out until the virus has fully infiltrated the body.
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http://www.bbc.co.uk/news/health-21783945
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March 12, 2013
Mohenjo
Science
abstract shape, amazon, astrophysicists, business, climate, figure eight, gaming, Hotels, huffingtonpost, Isaac Newton, Joseph-Louis Lagrange, Law Of Gravity, Leonhard Euler, Mathematical Physics, Mathematics, new planetary systems, Orbits, Physics, Princeton University, problem solutions, research, Robert Vanderbei, Science, Science News, technology, Technology News, Three Body Problem Solutions, Three Body Problem Solved, Three-Body Problem, travel, vacation, Video
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It’s the sort of abstract puzzle that keeps a scientist awake at night: Can you predict how three objects will orbit each other in a repeating pattern? In the 300 years since this “three-body problem” was first recognized, just three families of solutions have been found. Now, two physicists have discovered 13 new families. It’s quite a feat in mathematical physics, and it could conceivably help astrophysicists understand new planetary systems.
The trove of new solutions has researchers jazzed. “I love these things,” says Robert Vanderbei, a mathematician at Princeton University who was not involved in the work. He says he, in fact, spent all night thinking about the work.
The three-body problem dates back to the 1680s. Isaac Newton had already shown that his new law of gravity could always predict the orbit of two bodies held together by gravity—such as a star and a planet—with complete accuracy. The orbit is basically always an ellipse. However, Newton couldn’t come up with a similar solution for the case of three bodies orbiting one another.
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Solutions to the three-body problem, such as the “figure eight” and “yarn,” can be viewed on an abstract shape-sphere.
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http://www.huffingtonpost.com/2013/03/11/three-body-problem-solutions_n_2853631.html?utm_hp_ref=science
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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
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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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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 12, 2013
Mohenjo
Science
amazon, animals, anthropology, Atlanta Georgia, bengalese finch, biology, birds, Birds Emotion, Birds Music, birdsong, Birdsong Emotion, Birdsong Music, Brain Science, business, Dr. Donna Maney, Emory University, Emory University in Atlanta, entertainment, gaming, Hotels, huffingtonpost, literature, male, male birdsong, music, neuroscientist, research, Sarah Earp, Science, Science News, Songbirds, technology, Technology News, travel, vacation, Video, videogames, White-Throated Sparrows
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Birds can sing. They can dance. And they may even experience an emotional response to music similar to humans.
A new study from Emory University in Atlanta found that when birds hear birdsong, their brains show activity similar to that seen in humans when they listen to music.
“We found that the same neural reward system is activated in female birds in the breeding state that are listening to male birdsong, and in people listening to music that they like,” Sarah Earp, an Emory undergraduate who co-authored the study with neuroscientist Dr. Donna Maney, said in a written statement.
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A Bengalese finch outfitted with headphones. Research on how the birds learn to sing may lead to better human therapies for vocal rehabilitation.
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http://www.huffingtonpost.com/2013/01/03/birdsong-birds-emotions-music-humans-brain-imaging_n_2397141.html?utm_hp_ref=brain
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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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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 7, 2013
Mohenjo
Science
amazon, anthropology, big-game hunters, business, climate, dinner, Environment, evolution, featured, France, game hunters, Hotels, human-origins, hunting, hunting skills, limited hunting skills, mammal populations, Mammoth, nbc news, nbcnews, neanderthal, neanderthals, Portugal, rabbits, research, rhino, Science, Science News, Spain, spain portugal, technology, Technology News, travel, vacation
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Neanderthals were big-game hunters who feasted on mammoth and rhino but didn’t or couldn’t eat smaller, leaner meat. Their picky diet — or limited hunting skills — could have made them vulnerable when mammal populations shrank and their favorite dinner became harder to find.
A broad survey of animal remains recorded at early human and Neanderthal sites across Spain, Portugal and France gives us new insight as to what humans and Neanderthals ate. One trend stuck out to scientists who assembled the data: Rabbit remains became much more popular at human sites just about the time that Neanderthals disappeared, about 30,000 years ago.
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http://science.nbcnews.com/_news/2013/03/06/17208416-what-killed-neanderthals-scientists-blame-those-rascally-rabbits?lite
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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
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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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http://www.huffingtonpost.com/2013/02/18/human-parasites-video_n_2679698.html?utm_hp_ref=talk-nerdy-to-me
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