The smell of freshly cut grass is actually a plant distress call.
31
Aluminum used to be more valuable than gold!
84
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Pumice is the only rock that floats on water.
14