Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Hot water can freeze faster than cold water.
181
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Your brain is 80% water.
525
Pumice is the only rock that floats on water.
14
The left ear is more responsive to words of love and emotion whispered into it than the right.
40