The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
4.5 pounds of sunlight strike the Earth each day.
27
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
One ragweed plant can release as many as one billion grains of pollen!
51
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304