The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
In zero gravity, a candle's flame is round and blue.
16
A ball of glass will bounce higher than a ball made of rubber.
73
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A cubic yard of air weighs about 2 pounds at sea level.
31
One ragweed plant can release as many as one billion grains of pollen!
51
The force of a suction cup is calculated using F=AP.
15
Iron weighs more after it rusts.
16