A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Diamonds can be shattered with a hammer.
-104
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
A cesium atom in an atomic clock beats over nine billion times a second.
43
One cubic foot of gold weighs more than 1,200 pounds!
78
One ragweed plant can release as many as one billion grains of pollen!
51
Each day, up to 150 species of life become extinct.
-23