At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Liquid TIDE laundry detergent glows under a blacklight.
96
Sound at the right vibration can bore holes through a solid object.
134
Balsa wood is classified as a hard wood!
41
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Most dust particles in your house come from dead skin.
48
