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

The African Elephant gestates for 22 months.

Female black widow spiders eat their males after mating.

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

The risk of being struck by a falling meteorite for a human is one occurence every 9,300 years.

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

Utopia ia a large, smooth lying area of Mars.

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