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Did a Copying Mistake Build Man's Brain?A copy error created a duplicate gene that changed our brains.
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Giant Ice:Photos of Greenland's GlaciersThe Greenland Ice Sheet is one of the largest blocks of ice on earth.
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Greenland Glaciers Are Speeding UpLuckily, Greenland isn’t melting as fast as previous theories suggested.
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Baby Brains May 'Wake Up' Before BirthChickens, and possibly human babies, sleep and wake before being born.
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Stem Cells Carry 'Suicide Pills' for Instant DeathStem cells are the CIA of the cell; they carry instant-suicide pills up their shirtsleeves
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The Bigger the Eyes the Faster the Beast, Study FindsBetter to see you with when whizzing by, it turns out.
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Dolphins Help Fishermen Catch FishOne social group of dolphins works with fishermen, while other local groups find food in other ways.
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Slacker or Go-Getter? Brain Chemical May TellDopamine levels in three brain regions determine how hard someone is willing to work.
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Multitasking Makes Us Work Bad, Feel GoodMultitasking kills productivity, but keeps us entertained.
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Strange Organism Has Unique Roots in the Tree of LifeProtozoan genes suggest they are the oldest members of the tree of life containing humans
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Why Pygmies of Africa Are So ShortThe four foot eleven pygmy can blame his genetic heritage for his height.
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Foodies? Gen Xers Love to Cook, Even MenMale food attitudes are a changin'
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For Males Dying to Mate, Only Certain Females Will DoWhen you give your life for sex, what makes the best mate?
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Birds Form Alliances With Long-Term NeighborsNeighbors will jump in to help the great tits scare off predators
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Ancient Horse Bones Tell Story of Tibetan PlateauThe bones say the plateau has been sky-high for millions of years.
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High & Dry: Images of the Himalayas and the Tibetan PlateauThe "Roof of the World" is a harsh environment, nestled between the Himalayas, 14,700 feet up.
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Genes Reveal Secrets of Ancient Peruvian FamiliesThe male-run families traded their sisters for wives.
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Cause of Brain Freeze RevealedBrain freeze study could help treat migraines.
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Ancient 'Bone Box' Called Oldest Christian ArtifactAt first-unnoticed lettering in an ancient Jerusalem tomb identifies first-century artifacts as Christian, researchers say.
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Endangered Beauties: Images of Polar BearsThe polar bear's habitat is shrinking due to global warming, so enjoy them while they are still around!
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Dawn of Polar Bears Far Earlier Than Thought
New data overturns thinking on polar bear ancestry
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Tasmanian Tiger Was Genetically DoomedThough hunted to extinction by humans, the Tasmanian tiger probably wouldn't have made it anyway.
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How Humans Grew Fruitful by Devouring MeatResearchers explain how meat made the world
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Night-Blind Mice Gain VisionImplanted rod cells are able to hook up with and send signals to the brain.
