Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Cold water weighs more than hot water.
93
Pure water (H2O) does not conduct electricity on its own.
46
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88