Balsa wood is classified as a hard wood!
41
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
Sound travels about 4 times faster in water than in air.
408
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
German chemists made a replica of a trophy the size of one molecule.
68
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
If the chemical sodium is dropped into water it will immediately and violently explode.
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