Join Tim O’Brien, an astrophysicist and space enthusiast at Jodrell Bank, as he takes us on a cosmic Halloween adventure. Discover what celestial wonders light up the dark night sky and explore the fascinating world of medicinal leeches, reshaping our understanding of these often-misunderstood creatures. Delve into the spooky science behind zombie folklore, parasites, and the shocking problem of pumpkin waste, urging sustainable alternatives for our Halloween festivities. It's a delightful blend of science, myths, and ecological wisdom!