The largest ever hailstone weighed over 1kg and fell in Bangladesh in 1986.

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

The low frequency call of the humpback whale is the loudest noise made by a living creature.

October 12th, 1999 was declared 'The Day of Six Billion' based on United Nations projections.

The short-nosed Bandicoot has a gestation period of only 12 days.

The temperature in Antarctica plummets as low as -35 degrees celsius.

If you could drive your car straight up you would arrive in space in just over an hour.

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