Female black widow spiders eat their males after mating.

The Earth spins at 1,000 mph but it travels through space at an incredible 67,000 mph.

In October 1999 an Iceberg the size of London broke free from the Antarctic ice shelf .

The Ebola virus kills 4 out of every 5 humans it infects.

Human tapeworms can grow up to 22.9m.

The wingspan of a Boeing 747 is longer than the Wright brother's first flight.

The mortality rate if bitten by a Black Mamba snake is over 95%.

The Universe contains over 100 billion galaxies.