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The CDC recommends booster shots for healthcare workers and other at-risk groups
Sep 24, 2021 5:04 PM
Featured in marathons
Jul 23, 2021
What extreme heat means for the future of the Summer Olympics
Experts are calling for changes ranging from the timing of events to the bidding process.
Jul 15, 2021
4 high-tech running shoes that could help Tokyo Olympians hit record-breaking times
Years of design, engineering, and testing have produced some very fancy kicks. Here's a look at a few neat pairs.
Jul 13, 2021
How Abebe Bikila won the Olympic marathon without shoes
Plus other wild Olympic facts from The Weirdest Thing I Learned This Week.
Oct 13, 2019
Eliud Kipchoge just ran a marathon in less than two hours—how much faster does science say humans can get?
The Kenyan marathoner says he expects many runners to follow his lead.
Apr 24, 2019
How Nike engineered its latest record-breaking marathon shoe
The shoe company's newest—and priciest—racing shoe has more energy returning foam and a more weather-proof outer material.
Feb 28, 2019
Science helped me run my first marathon in 3 hours and 21 minutes
Running is in our DNA, but training for a marathon is a careful mix of muscle, mental, and technological strength.
Sep 15, 2018
Humans are natural runners—and this ancient gene mutation might have helped
Your muscles are ready to run, whether you like it or not.
Sep 12, 2018
The weirdest things we learned this week: Lady Liberty’s big secret, the ultimate exercise hack, and a penis in a bottle
Our editors scrounged up some truly bizarre facts.
Jul 11, 2018
The weirdest things we learned this week: Cruise ships full of poop, deadly wallpaper, and the sport where women beat men
Our editors scrounged up some truly bizarre facts.
