Scientists aren't sure what color dinosaurs were.
312
A cubic yard of air weighs about 2 pounds at sea level.
31
The storage capacity of human brain exceeds 4 Terrabytes.
140
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6