Billions of neutrinos pass unnoticed through your body every second.
6
Sound at the right vibration can bore holes through a solid object.
134
One barrel of petroleum holds 42 gallons.
20
A cesium atom in an atomic clock beats over nine billion times a second.
43
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5