German chemists made a replica of a trophy the size of one molecule.
68
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Sound travels fifteen times faster through steel than through air.
134
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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
One barrel of petroleum holds 42 gallons.
20
Aluminum used to be more valuable than gold!
84