Humans
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Humans
Modern era brings death to words
An analysis of books published over two centuries shows how words are born or succumb to shifting social and technological influences.
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Psychology
Kids flex cultural muscles
Young children, but not chimps or monkeys, generate collective leaps of knowledge.
By Bruce Bower -
Life
Pollutants long gone, but disease carries on
Even without new exposures, various chemicals can impact DNA and cause illness across at least three subsequent generations, rat study finds.
By Janet Raloff -
Anthropology
Frozen mummy’s genetic blueprints unveiled
DNA study reveals the 5,300-year-old Iceman had brown eyes, Lyme disease and links to modern-day Corsicans and Sardinians.
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Life
Brain cells know which way you’ll bet
Activity of nerve cells in a key brain structure reveals how people will bet in a card game.
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Humans
Shelters date to Stone Age
Middle Eastern foragers inhabited dwellings for months at a time around 20,000 years ago.
By Bruce Bower -
Health & Medicine
2012 AAAS Meeting
Highlights from the American Association for the Advancement of Science annual meeting in Vancouver, February 16-20.
By Science News -
Humans
Scientists probe terrorist talk on ‘Dark Web’
Mathematical tools can pry secretive terrorist communications in hidden sector of the Internet.
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Humans
Oceans set stage for human evolution
Temperature changes off the coast dried out East Africa and allowed grasslands to spread starting around 2 million years ago.
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Humans
Harsh conditions in childhood have long-term effects
Kids from Romanian orphanage also had lower volumes of gray matter.
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Archaeology
Archaeoacoustics: Tantalizing, but fantastical
While compelling, findings lack scientific rigor.
By Nadia Drake