The light hitting the earth right now is 30 thousand years old.
163
Music has the ability to repair brain damage and return lost memories.
62
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
26

Mushrooms are more closely related to humans than they are to plants.
47