Billions of neutrinos pass unnoticed through your body every second.
6
A cubic yard of air weighs about 2 pounds at sea level.
31
The bark of an older redwood tree is fireproof.
65
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Most dust particles in your house are made from dead skin!
67
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18