Iron weighs more after it rusts.
16
Your brain is 80% water.
525
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Scientists aren't sure what color dinosaurs were.
312
Nearly 50% of the world's scientists are assigned to military projects.
71
The force of a suction cup is calculated using F=AP.
15
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20