Nearly 50% of the world's scientists are assigned to military projects.
71
Sound travels fifteen times faster through steel than through air.
134
The average home creates more pollution than does the average car.
33
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Billions of neutrinos pass unnoticed through your body every second.
6
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89