One barrel of petroleum holds 42 gallons.
20
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The only letter not appearing on the Periodic Table is the letter "J".
180
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
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
The sun is 330,330 times larger than the earth.
75
Balsa wood is classified as a hard wood!
41
The bark of an older redwood tree is fireproof.
65