Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Iron weighs more after it rusts.
16
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Cold water weighs more than hot water.
93
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
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