Science News - Feb 13th, 2008

Bats Flew First, Developed Echolocation Later, Fossilized Missing Link Shows

http://www.sciencedaily.com/releases/2008/02/080213121444.htm

Thousands Of Humans Inhabited New World's Doorstep For 20,000 Years

http://www.sciencedaily.com/releases/2008/02/080213090524.htm

'Junk DNA' Can Explain Origin And Complexity Of Vertebrates, Study Suggests

http://www.sciencedaily.com/releases/2008/02/080211172609.htm