A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Nearly 50% of the world's scientists are assigned to military projects.
71
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
Scientists aren't sure what color dinosaurs were.
312
A cubic yard of air weighs about 2 pounds at sea level.
31
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
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
German chemists made a replica of a trophy the size of one molecule.
68