Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Iron weighs more after it rusts.
16
Sound at the right vibration can bore holes through a solid object.
134