If the chemical sodium is dropped into water it will immediately and violently explode.
67
The sun is 330,330 times larger than the earth.
75
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
The average temperature at 40,000 feet above sea level is -60 F.
56
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
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