Condoms were originally made of animal intestines or linen.
347
A dairy cow can produce more milk when listening to music.
446
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9