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1.4 million-year-old jaw that was 'a bit weird for Homo' turns out to be from never-before-seen human relativeThe newfound species belongs to the genus Paranthropus, whose nickname is "nutcracker man."
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How do Hula-Hoops work?How do Hula-Hoops keep from falling down as we twirl them around?
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Why do bats hang upside down to sleep?Bats often hang upside down when they sleep instead of sitting right side up or lying down — why?
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Why are my feet two different sizes?Why is one foot sometimes larger than the other?
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How does arsenic kill?Arsenic is a naturally occurring element with properties similar to those found in phosphorus. It is also a deadly toxin that is difficult to detect.
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No Descendants Are Left from the First EskimosA new study of human DNA -- and the largest genetics study yet of ancient peoples -- reveals that the Paleo-Eskimos are genetically distinct from both the Neo-Eskimos and modern Native Americans.
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Unusual Fish that 'Walks' Holds Clues to Animal Evolution -
Probiotics May Help Prevent Peanut Allergies, Animal Study ShowsCertain types of gut bacteria could ward off food allergies, according to a new study in mice.
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Computer Games Better Than Medication in Treating Elderly DepressionOlder people with depression may benefit more from playing computer games aimed at improving their thinking skills than from taking an antidepressant drug, a new study suggests.
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New Schizophrenia Gene Links Uncovered -
How Mysterious Natural Arches FormRock formations such as arches, pillars, and pedestal can look as though they defy gravity. But new research how such amazing rock formations take shape.
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Natural Arm Swing Saves Runners' EnergyRunners actually save energy by swinging their arms when they run, a new study finds. Runners burn more calories when the arms are held still.
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World's Biggest Fish Seek New HomeWhale sharks -- the world's largest fish -- are appearing more frequently near the Azores islands, due to climate change, a new study finds.
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Bizarre Dinosaur Had 4 'Wings,' Long Tail FeathersChangyuraptor had long feathers on both its forelimbs and its hind limbs, giving it the appearance of having four wings, researchers say.
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New 'Supercooling' Technique Helps Preserve OrgansLiver transplants could get a boost from a new technique that could allow the organs to be stored for longer before they are transplanted into patients.
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Bacteria in Arteries May Be 'Ticking Time Bombs,' Researchers Say -
New Test Spots Malformed Proteins Linked to Mad Cow DiseaseThe human form of mad cow disease could be detected early on with an experimental blood test that looks for the misfolded proteins linked with it, researchers say.
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'Good Health' Genes Linked to Increased Risk of Brain CancerGenes that control the length of telomeres, which protect our chromosomes, may also affect people's risk of brain cancer, a new study finds.
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Mini-Retina Created with Stem Cells -
Aging Muscles May Just Need a Little 'Love Hormone'As we age, our muscles gradually lose their ability to regenerate. But a new study in mice suggests that the hormone oxytocin could help regenerate muscle tissue.
