Cats recognise the voice of their owner, but never evolved to care.
22
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
The cat brain weighs about 30g.
167
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
In 1949, an official boxing match between a bear and a man was held. The bear won.
41