Coffee can spike cortisol, irritate your stomach and more—but it's also packed with antioxidants. So, is there the best way to drink it?

USC biomedical engineers have created a low-cost stirrer to precisely measure a drink's caffeine concentration, helping coffee-lovers avoid the pitfalls of over-caffeination.

When Coffee Science Meets Coffee Culture

The demand for better decaf coffee is only growing, presenting roasters with opportunities to improve quality.

YouTube video by James Hoffmann