The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
In the last 4,000 years, no new animals have been domesticated.
25
Maggots will only eat flesh if it is dead. For this reason, they are often used to remove the burnt skin from severe burn patients.
26
To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
A cow produces around 200,000 glasses of milk in her lifetime.
373
The elephant is one of the few mammals that can't jump!
30