Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A ball of glass will bounce higher than a ball made of rubber.
73
Most dust particles in your house are made from dead skin!
67
The only letter not appearing on the Periodic Table is the letter "J".
180
Liquid TIDE laundry detergent glows under a blacklight.
96
A cubic yard of air weighs about 2 pounds at sea level.
31