newsguy
Joined: 03 May 2005
Posts: 16567
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 Posted: Fri Jun 05, 2009 5:13 am Post subject: Larger Populations Triggered Stone Age Learning (NPR) |
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During the Stone Age, a series of "creative explosions" led to the rise of sophisticated tools, better weapons and art. A new study shows how large population sizes may have been key in allowing inventions to proliferate.
[url=http://us.rd.yahoo.com/dailynews/rss/search/inventions/SIG=12e6u9va1/*http%3A//www.npr.org/templates/story/story.php?storyId=104973286&ft=1&f=1007]Read more...[/url] |
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