Sound travels fifteen times faster through steel than through air.
134
Scientists aren't sure what color dinosaurs were.
312
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
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
Iron weighs more after it rusts.
68
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