Liquid TIDE laundry detergent glows under a blacklight.
96
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Billions of neutrinos pass unnoticed through your body every second.
6
One third of the electricity produced on earth is used to power electric light bulbs!
75