The bark of an older redwood tree is fireproof.
65
Pure water (H2O) does not conduct electricity on its own.
46
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
One third of the electricity produced on earth is used to power electric light bulbs!
75