If the chemical sodium is dropped into water it will immediately and violently explode.
67
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Cold water weighs more than hot water.
93
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A cesium atom in an atomic clock beats over nine billion times a second.
43