Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
No matter how cold it gets, gasoline will not freeze.
107
A ball of glass will bounce higher than a ball made of rubber.
73
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Sound travels fifteen times faster through steel than through air.
134
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38