Everyone knows that the best rocks for skimming across the surface of the water are the flat and round ones. Well, a new scientific paper concludes that potato-shaped rocks might be even better. The World’s Sarah Birnbaum reports.
The article you just read is free because dedicated readers and listeners like you chose to support our nonprofit newsroom. Our team works tirelessly to ensure you hear the latest in international, human-centered reporting every weekday. But our work would not be possible without you. We need your help.
Make a gift today to help us reach our $25,000 goal and keep The World going strong. Every gift will get us one step closer.