Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Hot water can freeze faster than cold water.
181
The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
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