Sound travels fifteen times faster through steel than through air.
134
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11