Moon missions, Musk v scientists, sperm and longevity

Madeleine Finlay and Ian Sample discuss three intriguing science
stories from the week. From two private moon landings to the
controversy over Elon Musk’s continued membership of the Royal
Society, and a new study making a link between men’s health and
their sperm quality. Help support our independent journalism at
theguardian.com/sciencepod