The cat brain weighs about 30g.
167
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Cats recognise the voice of their owner, but never evolved to care.
22