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
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One third of the electricity produced on earth is used to power electric light bulbs!
75
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5