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
Nicole Kidman is scared of butterflies.
65
The elephant brain weighs about 6,000g.
274
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Cats recognise the voice of their owner, but never evolved to care.
22
Sharks have been on the planet longer than trees.
14