When Did We Discover That We Needed Oxygen To Live?

One of the major things that keep us from colonizing space is oxygen. Other planets don't have that much of it, and we really need it. But when did we first learn exactly what it took to keep us breathing? » 7/01/14 7:00am 7/01/14 7:00am

The first cola wars began in the 1700s—long before Coke and Pepsi

Those who think of sodas as fizzy poison may be surprised that the first steps towards turning the world's blood caramel-colored was officially meant to make the population healthier. Three different people fought to find a way to reproduce the healthful soda water to the public. Only one of their techniques survives.… » 2/24/13 8:30am 2/24/13 8:30am