Cycling has, since the Team Sky era, been associated with so-called marginal gains, but the rise of ‘biohacking’ takes the envelope-pushing to new extremes. From glucose sensors to DNA tests, today’s ...

For the past decade, marginal gains have been cycling’s favorite performance improvement idea. Shave a watt here, save a second there, and eventually they add up to measurable performance gains. It’s ...

You might call Mikel Arteta a marginal gains merchant, you might call the Emirates Highbury Library. You might see Arteta's quest to improve the home atmosphere as something of an unstoppable force ...