Scientists aren't sure what color dinosaurs were.
312
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Liquid TIDE laundry detergent glows under a blacklight.
96
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108