273World Science: Did Neanderthals contribute to our languages?
- Jul 10, 2013
* Neanderthals may have talked -- even
contributed to our languages, scholars claim:
Surprising proposals come on the heels of findings
that Neanderthals interbred with ancestors of modern
* Clouds may make many planets more livable:
A new study doubles the estimated number of
potentially habitable planets circling red dwarfs,
the most common stars.
* Being too generous may make you unpopular:
People ostracize those who are too generous because
they're nonconformists, according to a study.
* Air pollution found to slash life expectancy
People throughout some parts of China are losing
five years of life on average thanks to coal
pollution, an analysis indicates.
* Study explores how power gets to the brain:
Power may or may not corrupt, but it does change
you. New research explores what happens in the brain
as that takes place.
* Smart parrots solve five-step puzzle to unlock
A few feathery burglars revealed new depths to
physical intelligence in birds, scientists say.
* New process could make hydrogen fuel without
using costly platinum:
A new finding might advance the quest to create a
"hydrogen economy" fueled by a source of abundant,
* Computer model said to help explain why skin ages:
A dwindling population of stem cells in the skin
explains why older skin is slower to heal,
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