Sunflowers can be used to clean up radioactive waste.
17
Like fingerprints, everyone's tongue print is different.
250
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
Play-Doh was first manufactured as a wallpaper cleaner.
122
In 21 U.S. states, WALMART is the single largest employer.
13
Chrysler built B-29's that bombed Japan, Mitsubishi built Zeros that tried to shoot them down. Both companies now build cars in a joint plant called Diamond Star.
29
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140