Sound travels about 4 times faster in water than in air.
408
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Balsa wood is classified as a hard wood!
41
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
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
No matter how cold it gets, gasoline will not freeze.
107