Elephants are the only animals that can t jump

Jellyfish can still sting even when it is dead

The elephant is the only mammal with four knees

The Sun is over 300 000 times larger than Earth

A scorpion can hold its breath for up to 6 days

Elephants are the only mammals that cannot jump

The Earth weighs 6 000 trillion trillion tonnes

The Earth weighs 6 000 trillion trillion tonnes

Giraffes rarely sleep more than 20 minutes a day

Dolphins torture Porpoises to death for pure fun

The Dead Sea is 365 m (1 200 ft) below sea level

The Dead Sea is 365 m (1 200 ft) below sea level

A duck s quack doesn t echo and no one knows why

An ant can survive for up to two weeks underwate

An ant can survive for up to two weeks underwate