The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
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
Hot water can freeze faster than cold water.
181
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5