According to studies, men change their minds two to three times more often than women.
72
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
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The average temperature at 40,000 feet above sea level is -60 F.
56
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Sound travels fifteen times faster through steel than through air.
134
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9