Brass doorknobs automatically disinfect themselves in about 8 hours.
18
4.5 pounds of sunlight strike the Earth each day.
27
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Nylon is made from coal and petroleum.
42
The only letter not appearing on the Periodic Table is the letter "J".
180
Billions of neutrinos pass unnoticed through your body every second.
6
Each day, up to 150 species of life become extinct.
-23
The storage capacity of human brain exceeds 4 Terrabytes.
140