The largest cell in the human body is the female egg and the smallest is the male sperm.
682
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Sunflowers can be used to clean up radioactive waste.
17
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Drivers kill more deer than hunters do.
660
Mackinac Island, Michigan, has banned cars since 1898!
4
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75