Most dust particles in your house come from dead skin.
48
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
A cesium atom in an atomic clock beats over nine billion times a second.
43
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Iron weighs more after it rusts.
16
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17