The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Hot water can freeze faster than cold water.
181
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9