One third of the electricity produced on earth is used to power electric light bulbs!
75
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
The bark of an older redwood tree is fireproof.
65
Sound travels fifteen times faster through steel than through air.
134
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
In zero gravity, a candle's flame is round and blue.
16
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
Iron weighs more after it rusts.
68