Dogs sometimes fake being sick to get attention.
26
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23