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

The Earth is 4.56 billion years old…the same age as the Moon and the Sun.

Human tapeworms can grow up to 22.9m.

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

The longest glacier in Antarctica, the Almbert glacier, is 250 miles long and 40 miles wide.

Around a million, billion neutrinos from the Sun will pass through your body while you read this sentence.

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

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