Diamonds can be shattered with a hammer.
-104
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
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Sound travels about 4 times faster in water than in air.
408
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57