Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Liquid TIDE laundry detergent glows under a blacklight.
96
Cold water weighs more than hot water.
93
Iron weighs more after it rusts.
16
One 75-watt bulb gives more light than three 25-watt bulbs.
57
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
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Balsa wood is classified as a hard wood!
41