Indoor pollution is 10 times more toxic than outdoor pollution.
62
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
One cubic foot of gold weighs more than 1,200 pounds!
78
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Iron weighs more after it rusts.
68