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Jul 28, 2015 07:01 PM ET // Jennifer Viegas
Is your hamster happy? A new tool to assess moods in the furry little rodents can tell if they are optimistic or depressed.
Aug 13, 2013 12:57 PM ET // Sheila M. Eldred
A bear researcher in Minnesota gets the support of Jane Goodall after the state pulled the researcher's permit. Continue reading →
Sep 9, 2011 05:26 PM ET // Tim Wall
California legislature has passed a ban on sales and trade of shark fins, marking the final end of shark fin soup in the lower continental west coast of the United States.