Physical fitness

Electrical Muscle Stimulation Takes the Work Out of Your Workouts

So why is the FDA concerned?

By Stav Dimitropoulos

Designer-Drug Detection Levels Up with AI

A growing wave of novel substances for performance enhancement or just getting high hits the streets weekly.

By Matthew Hutson

The Allure of the Ice-Cold Plunge

Here are scientific reasons why you should consider a polar bear swim.

By Robin Donovan

6 Things to Think About When Designing Your Child

Designing your child is designing the future. Do it wisely.

By Danny Hillis

Is Your Exoskeleton Ready for Primetime?

Wearable robotic exoskeletons can be a game changer. But the tech may still be too hard on your brain.

By Jonathan Grinstein

Backyard Ultramarathons Push the Limits of Running

Ultra races like Big Dog and Run O’Clock neutralize speed advantages and inspire record-breaking feats of human endurance.

By Robin Donovan

21st Century Olympic Doping

Gene editing for performance enhancement may not be the Tokyo cheat, but we asked the experts how far off it might be.

By Robin Donovan

The Case for More Doping in the Olympics

Some tech and drug enhancements are banned as unfair, but ironically they could end up leveling the playing field.

By Alex Pearlman

What My Smart Shoes Taught Me

How you track your steps matters way less than who you do it with.

By Jessica Carew Kraft

Keep Running, Never Get Over the Hill

Elite athletes are now maintaining their level of performance in their 40s and beyond. What can they teach the rest of us?

By Jessica Carew Kraft

1
2
3