World Science: Traces of Neanderthal-speak in our languages?

* 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
humans.

http://www.world-science.net/othernews/130709_Neanderthals


* 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.

http://www.world-science.net/othernews/130701_clouds


* Being too generous may make you unpopular:
People ostracize those who are too generous because
they're nonconformists, according to a study.

http://www.world-science.net/othernews/130627_generosity


* Air pollution found to slash life expectancy 
in China:
People throughout some parts of China are losing
five years of life on average thanks to coal
pollution, an analysis indicates.

http://www.world-science.net/othernews/130708_pollution


* 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.

http://www.world-science.net/exclusives/130704_power


* Smart parrots solve five-step puzzle to unlock 
treat:
A few feathery burglars revealed new depths to
physical intelligence in birds, scientists say.

http://www.world-science.net/othernews/130703_parrot


* 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,
clean energy.

http://www.world-science.net/othernews/130702_hydrogen


* 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,
researchers say.

http://www.world-science.net/othernews/130627_skin



*****************************



World Science homepage
Don't forget to visit our homepage for Science In
Images; links to top science news from other publi-
cations; and other recent World Science stories!

http://www.world-science.net


World Science archives
To new readers especially: you need not miss our ex-
citing past stories, though they won't appear in future
newsletters. See archives for any year by typing that 
year after the homepage address: for example, 

http://www.world-science.net/2007


Invite friends to join World Science!
Click here to open an invitation email you can send 
friends and colleagues so they can join you in sub-
scribing to World Science at no charge. Feel free to 
change the email text (although you might want to 
leave the subscription instructions unchanged.)


More information
This is the World Science newsletter. To cancel your 
subscription, please reply to this email address with
"cancel" in the subject line. To subscribe, write to 
this email address with "subscribe" in the subject 
line. To change the address where you receive the 
newsletter, simply subscribe the new address and 
cancel the old one.
Any World Science article may be reproduced on 
another website, on condition that it is reproduced 
along with a link to the World Science homepage, 
http://www.world-science.net. Linking to the page of 
the original article is optional.