4.5 pounds of sunlight strike the Earth each day.
27
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Scientists aren't sure what color dinosaurs were.
312
According to studies, men change their minds two to three times more often than women.
72
Balsa wood is classified as a hard wood!
41
Iron weighs more after it rusts.
16