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
Your brain is 80% water.
525
The smell of freshly cut grass is actually a plant distress call.
31
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Iron weighs more after it rusts.
16
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101