The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
One 75-watt bulb gives more light than three 25-watt bulbs.
57
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Your brain is 80% water.
525
The force of a suction cup is calculated using F=AP.
15
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21