The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The smell of freshly cut grass is actually a plant distress call.
31
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
Sound travels about 4 times faster in water than in air.
408
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13