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

10 percent of all human beings ever born are alive at this very moment.

On the day that Alexander Graham Bell was buried the entire US telephone system was shut down for 1 minute in tribute.

The grey whale migrates 12,500 miles from the Artic to Mexico and back every year.

Quasars are the most distant objects in the Universe.

An individual blood cell takes about 60 seconds to make a complete circuit of the body.

The African Elephant gestates for 22 months.

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