Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
For every gallon of sea water, you get more than a quarter pound of salt.
45
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Each day, up to 150 species of life become extinct.
-23
Your brain is 80% water.
525
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7