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
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The bark of an older redwood tree is fireproof.
65
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
One barrel of petroleum holds 42 gallons.
20