A perfect bit of information for Sunday morning when you’re probably clutching a coffee at home or in a cafe. #6 on Wired Magazine’s 12 Hacks That Will Amp Up Your Brainpower was the tip that smaller frequent doses of caffeine were better for limiting the affect of adenosine, a chemical in your brain thought to cause mental fatigue. So forgot the epic sized cup and just have some half cups throughout which will apparently allow you to feel clearheaded and calm, both of which enhance mental performance.