This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. Sign up here to get it in your inbox. Despite what many workout equipment ...

Sure, they help us lift stuff and look good at the beach, but they’re also doing some amazing behind-the-scenes work. Here are 25 Muscle Facts That Will Stretch Your Mind. Grab your copy of What The ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. What makes the cells of the muscles contract? – ...