The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Cold water weighs more than hot water.
93
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
Iron weighs more after it rusts.
16
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
One barrel of petroleum holds 42 gallons.
20