Are some people missing an arm muscle?

Are some people missing arm muscles? Are there other muscles that we're losing? Can bats and moles actually see? Can the side effects of prostate surgery be reversed? Is there a cure for Dupuytren's contracture? Do we know what long COVID is? What are bluebottle jellies? Can we protect our food from microplastics? Should you get a rabies check after every dog bite? Dr Chris Smith and Saskia Falken have all the answers... Like this podcast? Please help us by supporting the Naked Scientists