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
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
In zero gravity, a candle's flame is round and blue.
16
According to studies, men change their minds two to three times more often than women.
72
For every gallon of sea water, you get more than a quarter pound of salt.
45
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
If the chemical sodium is dropped into water it will immediately and violently explode.
67
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13