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

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

The driest inhabited place in the world is Aswan, Egypt where the annual average rainfall is .02 inches.

It would take over an hour for a heavy object to sink 6.7 miles down to the deepest part of the ocean.

In 5 billion years the Sun will run out of fuel and turn into a Red Giant.

A healthy person has 6,000 million, million, million haemoglobin molecules.

Every year lightning kills 1000 people.

A dog's sense of smell is 1,000 times more sensitive than a humans.