Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
For every gallon of sea water, you get more than a quarter pound of salt.
45
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155