Sound travels fifteen times faster through steel than through air.
134
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Nylon is made from coal and petroleum.
42
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
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