Cats recognise the voice of their owner, but never evolved to care.
22
Early American humans hunted car-size armadillos and used their shells for houses.
12
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
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
Moths are unable to fly during an earthquake.
328
When cats are happy, they may squeeze their eyes shut.
10