Archive: 26/10/2007

Zoologist who raised Koko dies

Ronald Reuther, a zoologist who helped raise the first gorilla to use human sign language, has died in California at the age of 77.

dateOct 26, 2007 in
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'Nervous' birds take more risks

Scientists have shown that birds with higher stress levels adopt bolder behaviour than their normally more relaxed peers in stressful situations. A University of Exeter research team studied zebra finches, which had been ...

dateOct 26, 2007 in
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