The smell of freshly cut grass is actually a plant distress call.
31
Liquid TIDE laundry detergent glows under a blacklight.
96
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Aluminum used to be more valuable than gold!
84
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51