Sound at the right vibration can bore holes through a solid object.
134
Aluminum used to be more valuable than gold!
84
The only letter not appearing on the Periodic Table is the letter "J".
180
The sun is 330,330 times larger than the earth.
75
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Scientists aren't sure what color dinosaurs were.
312
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5