Editor In Chief Jacob Ward On The April 2013 Issue Of Popular Science [Video] Why SpaceX's Falcon Heavy rocket made the cover. By Jacob Ward | Published Mar 11, 2013 8:08 PM Uncategorized Nick Kaloterakis SHARE Go here to read the April issue of Popular Science. April 2013 MORE TO READ RELATED Did food taste better 50 years ago? We can't go back in time, but some things have definitely changed. READ NOW 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. RELATED What actually happens to the clothes you donate depends on where you live It depends on where you live, but many thrift stores and other donation programs can divert even the most tattered items from the landfill.