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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Research indicates that plants grow healthier when they are stroked.
173