In zero gravity, a candle's flame is round and blue.
16
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Scientists in Germany have developed a candy that doesn't cause cavities.
11
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A cesium atom in an atomic clock beats over nine billion times a second.
43
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65