Nearly 50% of the world's scientists are assigned to military projects.
71
Each day, up to 150 species of life become extinct.
-23
The smell of freshly cut grass is actually a plant distress call.
31
Sound travels about 4 times faster in water than in air.
408
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Cold water weighs more than hot water.
93