Footnotes From the Archives News in Brief Burger King Introduces the Meatless ‘Impossible Whopper’ Burger King is testing the vegetarian addition to its menu in response to rising consumer demand for meat alternatives. Leah Dunlevy
Social Justice The Perfect Swarm How the epic quest to find protein revealed a surprising link between climate change and obesity. Peter Andrey Smith
Social Justice Is It Time to Swap That Energy Bar for a Big Mac? A new study finds that eating fast food after a workout is just as good for you as a PowerBar. Gregory Ferenstein
Social Justice Puzzling Together Muscle Structure New research on mice shows that without an anchoring protein, called ankyrin, muscle cells would shred when used. Yikes. Lisa Conti