If the chemical sodium is dropped into water it will immediately and violently explode.
67
Cold water weighs more than hot water.
93
One cubic foot of gold weighs more than 1,200 pounds!
78
Out of all the senses, smell is most closely linked to memory.
146
The average home creates more pollution than does the average car.
33
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
In zero gravity, a candle's flame is round and blue.
16