In zero gravity, a candle's flame is round and blue.
16
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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