The average home creates more pollution than does the average car.
33
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A cubic yard of air weighs about 2 pounds at sea level.
31
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57