The only letter not appearing on the Periodic Table is the letter "J".
180
The smell of freshly cut grass is actually a plant distress call.
31
In zero gravity, a candle's flame is round and blue.
16
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The force of a suction cup is calculated using F=AP.
15
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89