The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Cold water weighs more than hot water.
93
A cesium atom in an atomic clock beats over nine billion times a second.
43
Diamonds can be shattered with a hammer.
-104
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The bark of an older redwood tree is fireproof.
65
Nearly 50% of the world's scientists are assigned to military projects.
71