Astronaut Neil Armstrong first stepped on the moon with his left foot. See more

Plants that are not cared for will cry for help, a thirsty plant will make a high-pitched sound that is too high for us to hear. See more

Hydrogen is an explosive gas. Oxygen supports combustion. Yet when these are combined it is water which is used to put out fires. See more

The highest publicly reported amount of money paid for a domain name is $7.5 million! Paid for business.com. See more

Astronauts are not allowed to eat beans before they go into space because passing wind in a spacesuit damages them. See more

All the chemicals in the human body have a combined value of approximately £4.00. See more

The first domain name ever registered was Symbolics.com. See more

It is impossible for a solar eclipse to last for more than 7 minutes 58 seconds. See more

Your skin weighs about 3.2 kg. See more