Posted by Tim Wall Mon Nov 21, 2011 04:59 PM ET | 0
Depending on how the world uses available crops, there are two possible futures. Read more

Posted Thu Jul 21, 2011 10:04 AM ET | 0
The blue iguana of Grand Cayman Island is a conservation success story. Read more

Posted by Jennifer Viegas Thu Feb 11, 2010 01:45 PM ET | 0
Manatees, sea turtles and fish in the Sunshine State are dying in record numbers because of the unusually long cold snap. Read more

Posted Tue Jun 30, 2009 09:23 PM ET
A fetching pink-and-black iguana on the Galapagos Islands is identified some 179 years after Darwin's visit. Read more

Posted Fri May 15, 2009 09:29 AM ET
From tickling to playing catch, animals engage in certain behaviors just for fun, even enjoying sensations that are unknown to humans, concludes an extensive new survey on pleasure in the animal kingdom. Read more

Posted Wed Sep 17, 2008 06:49 AM ET
A new species of Pacific iguana has been uncovered by Australian and U.S. researchers, but already its future is looking grim. Read more

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