Most dust particles in your house come from dead skin.
48
The bark of an older redwood tree is fireproof.
65
Nearly 50% of the world's scientists are assigned to military projects.
71
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
Diamonds can be shattered with a hammer.
-104
Each day, up to 150 species of life become extinct.
-23
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