Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
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
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Pumice is the only rock that floats on water.
14
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
German chemists made a replica of a trophy the size of one molecule.
68
Research indicates that plants grow healthier when they are stroked.
173
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9