At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7