Most dust particles in your house come from dead skin.
48
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The force of a suction cup is calculated using F=AP.
15
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
One ragweed plant can release as many as one billion grains of pollen!
51