Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The average home creates more pollution than does the average car.
33