In the news pod, we speak to World Rugby's Chief Medical Officer to hear how they're making the professional game as safe as possible. Also, we explore the potential consequences of climate change on the world's stock of farmland, and hear why an increasing number of satellites means our atmosphere is filling up with potentially harmful chemicals. Then, we send a member of the team for an eye test, and find out whether swatting mosquitoes could impact selection pressures on the species... Like this podcast? Please help us by supporting the Naked Scientists