The only letter not appearing on the Periodic Table is the letter "J".
180
Iron weighs more after it rusts.
16
Each day, up to 150 species of life become extinct.
-23
The average temperature at 40,000 feet above sea level is -60 F.
56
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
One cubic foot of gold weighs more than 1,200 pounds!
78
The smell of freshly cut grass is actually a plant distress call.
31