In zero gravity, a candle's flame is round and blue.
16
Nearly 50% of the world's scientists are assigned to military projects.
71
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Most dust particles in your house come from dead skin.
48
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One ragweed plant can release as many as one billion grains of pollen!
51
The storage capacity of human brain exceeds 4 Terrabytes.
140