At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Iron weighs more after it rusts.
16
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Cold water weighs more than hot water.
93
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108