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
Hot water can freeze faster than cold water.
181
A ball of glass will bounce higher than a ball made of rubber.
73
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Aluminum used to be more valuable than gold!
84
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A cesium atom in an atomic clock beats over nine billion times a second.
43