Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Scientists aren't sure what color dinosaurs were.
312
Iron weighs more after it rusts.
16