At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
One ragweed plant can release as many as one billion grains of pollen!
51
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
No matter how cold it gets, gasoline will not freeze.
107
If the chemical sodium is dropped into water it will immediately and violently explode.
67