Judging from the video montage, it’s easy to see the frog analogy. Depending on its surroundings and terrain, the robots can curve their limbs to “swim,” then adjust them accordingly to ...

When it comes to frog noises, most people’s knowledge basically begins and ends with the word “ribbit.” Should anyone want to change that sad reality, Smithsonian Folkways is here to help. The 75-year ...