Sound travels about 4 times faster in water than in air.
408
Iron weighs more after it rusts.
16
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Cold water weighs more than hot water.
93