Your brain is 80% water.
525
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Hot water can freeze faster than cold water.
181
Out of all the senses, smell is most closely linked to memory.
146
Scientists aren't sure what color dinosaurs were.
312
Nearly 50% of the world's scientists are assigned to military projects.
71
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310