Sound travels about 4 times faster in water than in air.
408
Nearly 50% of the world's scientists are assigned to military projects.
71
Pure water (H2O) does not conduct electricity on its own.
46
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
German chemists made a replica of a trophy the size of one molecule.
68