Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The smell of freshly cut grass is actually a plant distress call.
31
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
A cubic yard of air weighs about 2 pounds at sea level.
31
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21