Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Iron weighs more after it rusts.
68
Balsa wood is classified as a hard wood!
41
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The smell of freshly cut grass is actually a plant distress call.
31
Liquid TIDE laundry detergent glows under a blacklight.
96
Sound travels fifteen times faster through steel than through air.
134