The only letter not appearing on the Periodic Table is the letter "J".
180
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Iron weighs more after it rusts.
68
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Scientists aren't sure what color dinosaurs were.
312