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
The sun is 330,330 times larger than the earth.
75
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5