Popular Science Showcase If you’re not automatically redirected to the Popular Science Showcase page, click here. | Published Aug 5, 2008 12:42 AM Uncategorized SHARE If you’re not automatically redirected to the Popular Science Showcase page, click here. MORE TO READ RELATED How much exercise do I need to stay healthy? Reaping the health benefits of staying active might be simpler than you think. READ NOW RELATED Did food taste better 50 years ago? We can't go back in time, but some things have definitely changed. RELATED This protein may hold one of the secrets to predicting muscle growth There's surprisingly little research on how our bodies actually build muscle.