One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Out of all the senses, smell is most closely linked to memory.
146
A cesium atom in an atomic clock beats over nine billion times a second.
43
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
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
Iron weighs more after it rusts.
16