Most Popular Lip Balm: Burt's Bees

After a record number of comments, nominations, recommendations, and votes, Burt's Bees is your choice for best lip balm by a wide margin. » 3/13/15 3:21pm 3/13/15 3:21pm

Seven Best Lip Balms

Our lip balm nominations round was poppin', breaking records for number of comments on one of our posts, number of product nominations, number of recommendations for nominees, and more. Here are the top seven, apply and vote. » 3/11/15 3:18pm 3/11/15 3:18pm

What's the Best Lip Balm?

Your lips have barely survived the dryness of never-ending winter, and after a week of blazer weather they'll be subjected to the disgusting heat of summer once again. You need lip balm, but which one? Tell us in the comments. » 3/09/15 3:16pm 3/09/15 3:16pm

Why Your Muscles Get Sore (and What You Can Do About It)

When you're struggling to walk down the stairs the day after a tough workout, should you view your soreness as proof you worked hard, or as a sign you overdid it? The truth is somewhere in between. Let's learn about where soreness comes from and how to keep it from making you miserable. » 1/22/15 4:50pm 1/22/15 4:50pm

CrossFit's "dirty little secret" could kill you

Over at Medium, physical therapy professor Eric Robertson has written a fascinating piece about "exertional rhabdomyolysis" (a.k.a. "Rhabdo"), a devastating condition that results when physically fit people push their bodies so hard their muscle cells burst, flooding their kidneys with dangerous, or even deadly,… » 9/23/13 2:40pm 9/23/13 2:40pm

Google has already charted the failure of your New Year's resolutions

Did you resolve to exercise more in 2013? If this graph from Google is any indication, you've got a tough road ahead of you. » 1/02/13 5:00pm 1/02/13 5:00pm

Why getting physically stronger will help you live longer

Fitness trends come and go, but weight training in particular never seems to come into style. Part of the problem is that most people associate it with bodybuilding culture, and women in particular are reluctant to join the guys at the back of the gym. » 10/19/12 8:05am 10/19/12 8:05am

Gelada monkeys offer evidence that abortion is part of evolutionary…

The story begins with an insurrection, and ends with infanticide. A male gelada monkey, unsatisfied with his social standing, challenges the authority of a superior gelada. The payoff: a so-called "reproductive unit," comprising a dozen females, that will mate with him and him alone. If the usurper is victorious, he… » 2/23/12 12:00pm 2/23/12 12:00pm

Too many good mutations can actually be bad for a species' evolution

Mutation is one of the big driving forces behind evolution, as it can allow species to quickly gain the genetic tools necessary to survive and adapt. But even the perfect mutation can mean trouble if it can't work with others. » 6/02/11 5:30pm 6/02/11 5:30pm