Human tapeworms can grow up to 22.9m.

The tallest tree ever was an Australian eucalyptus - In 1872 it was measured at 435 feet tall.

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

Humans have 46 chromosomes, peas have 14 and crayfish have 200.

Neutron stars are so dense that a teaspoonful would weigh more than all the people on Earth.

Utopia ia a large, smooth lying area of Mars.

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

It would take over an hour for a heavy object to sink 6.7 miles down to the deepest part of the ocean.