In the 14th century the Black Death killed 75,000,000 people. It was carried by fleas on the black rat.

The first synthetic human chromosome was constructed by US scientists in 1997.

When Krakatoa erupted in 1883, its force was so great it could be heard 4,800 kilometres away in Australia.

One million, million, million, million, millionth of a second after the Big Bang the Universe was the size of a …pea.

A typical hurricane produces the nergy equivalent to 8,000 one megaton bombs.

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

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

Alfred Nobel invented dynamite in 1866.