The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The average temperature at 40,000 feet above sea level is -60 F.
56
Balsa wood is classified as a hard wood!
41
The force of a suction cup is calculated using F=AP.
15