The only letter not appearing on the Periodic Table is the letter "J".
180
Most dust particles in your house are made from dead skin!
67
A ball of glass will bounce higher than a ball made of rubber.
73
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The bark of an older redwood tree is fireproof.
65
The storage capacity of human brain exceeds 4 Terrabytes.
140
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists aren't sure what color dinosaurs were.
312