In this method, caffeine is extracted from tea. The type of tea that is used isn't very important (as long as it is caffeinated). The amount of caffeine recovered is small, but this is for fun and not ...

In the land of venti pumpkin spice lattes and caramel macchiatos, Americans frequently partake in caffeine fixes. In fact, most people in the U.S. consume caffeine daily, primarily in the form of ...

For most people, a productive day can’t begin until they’ve had their morning coffee. In fact, the National Coffee Association found that 67% of American adults have a daily cup. Not into coffee? You ...