Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Balsa wood is classified as a hard wood!
41
Most dust particles in your house are made from dead skin!
67
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41