Sound at the right vibration can bore holes through a solid object.
134
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A ball of glass will bounce higher than a ball made of rubber.
73
Most dust particles in your house come from dead skin.
48
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
