The storage capacity of human brain exceeds 4 Terrabytes.
140
Iron weighs more after it rusts.
68
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
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists aren't sure what color dinosaurs were.
312
4.5 pounds of sunlight strike the Earth each day.
27
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57