Cold water weighs more than hot water.
93
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The sun is 330,330 times larger than the earth.
75
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
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