Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One third of the electricity produced on earth is used to power electric light bulbs!
75
Iron weighs more after it rusts.
68
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The sun is 330,330 times larger than the earth.
75
Pure water (H2O) does not conduct electricity on its own.
46