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
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Most dust particles in your house are made from dead skin!
67
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The sun is 330,330 times larger than the earth.
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
One ragweed plant can release as many as one billion grains of pollen!
51