When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
If the chemical sodium is dropped into water it will immediately and violently explode.
67
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
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Most dust particles in your house come from dead skin.
48
Your brain is 80% water.
525