Fit Fix: Here's Ronda Rousey's Latest Round of Promos for "Saturday Night Live" Video Description

A Tale of Two Mutations : If you're interested in the science of genetic mutations that lead to muscle—and who isn't?!—then The Atlantic has a story for you. Writer David Epstein follows the story of a woman named Jill Viles, whose ordeal with muscular dystrophy led her to discover the genetic mutation that caused her unusual case—the same genetic mutation that triggered the extraordinary musculature of Canadian hurdler Priscilla Lopes-Schliep. "This is my kryptonite, but this is her rocket fuel," Viles says. "We’re like comic-book superheroes that are just as divergent as can be." [ The Atlantic ]

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