In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
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
Sound travels fifteen times faster through steel than through air.
134
Pumice is the only rock that floats on water.
14