Condoms were originally made of animal intestines or linen.
347
A domestic cat can sprint at about 31 miles per hour.
274
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
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Cats recognise the voice of their owner, but never evolved to care.
22