Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Pure water (H2O) does not conduct electricity on its own.
46
In zero gravity, a candle's flame is round and blue.
16