Fast Facts: Apr. 7
April 7, 2011
- Although diamond is the hardest substance on Earth, when heated to 763 degrees Celsius (1404 degrees Fahrenheit) it vanishes. A small amount of carbon dioxide is released, but not even ash remains.
- In the U.S., one can purchase a three part course to become a certified ghost hunter.
- Back in 1919, the Russian transplant pioneer Serge Voronoff made headlines by grafting monkey testicles onto human males.
- By weight, the sun is 70 percent hydrogen, 28 percent helium, 1.5 percent carbon, nitrogen and oxygen, and 0.5 percent all other elements.
