See the rest of Slate's Fitness Issue.
Also in Slate's Fitness issue, Emily Yoffe gets shredded by Jillian Michaels and coddled by Jack LaLanne and our foreign correspondents reveal the latest global workout trends.
The Slatest Week in Pictures A pilgrimage in Nepal, elections in Athens, war in Syria, fashion in Paris, and trash heaps in China.
What Happened at Slate This Week? Social media guru Lindsey Underwood highlights the most popular stories of the week, from the Patriots to Tom Petty.
Why Do We Ignore Warnings About Earth’s Future? “What's dragging us down is religious faith.”
He Never Touches the Balls Tom Brady may be the handsome face of the Pats, but the team’s heart and soul belong to defensive tackle Vince Wilfork.