Your brain is 80% water.
525
Balsa wood is classified as a hard wood!
41
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Each day, up to 150 species of life become extinct.
-23
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Out of all the senses, smell is most closely linked to memory.
146
The only letter not appearing on the Periodic Table is the letter "J".
180
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116