The storage capacity of human brain exceeds 4 Terrabytes.
140
Sound travels about 4 times faster in water than in air.
408
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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Nearly 50% of the world's scientists are assigned to military projects.
71
German chemists made a replica of a trophy the size of one molecule.
68