Galileo's Many Inventions Helped Redefine Our Place In The Universe

Galileo is considered one of the greatest astronomers of all time. His discovery of Jupiter’s major moons (Io, Europa, Ganymede and Callisto) revolutionized astronomy and helped speed the acceptance of the Copernican Model of the universe. However, Galileo is also known for the numerous scientific inventions he made… » 6/30/15 11:20am Tuesday 11:20am

How We Learned Chlorine Gas Is Not An Effective Cold Remedy

We know that chlorine is incredibly dangerous if inhaled. It destroys lung tissue, causing people to asphyxiate on their own pulped lungs. It was used as a weapon in World War I, and soldiers were terrified of it. .So why did a US President and a good chunk of Congress get gassed with it as a medical treatment? » 5/11/15 6:30am 5/11/15 6:30am