The Cool Down on MSN
Happy the Bronx Zoo elephant, who changed what scientists knew and sparked a rights battle, dies at 55
Zoo officials said she spent her final weeks in an off-exhibit barn and yard within her enclosure by her own choice.
Happy made history in 2005 by passing a mirror self-recognition test, a milestone for elephant cognition research ...
"Do you have an elephant that needs to be eaten?" Jon Miller introduces the elephant test... Do you have an elephant that needs to be eaten? If you did, would you know? There is something called the ...
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