<p>In Australia last year, it was discovered that hardly any sunscreen products actually offered the protection listed on the bottle. Now the Australian regulator has finally proposed sweeping reforms in the country known to be a skin cancer hotspot. Dr Michelle Wong, chemist and science communicator of LabMuffin Beauty Science explains what impact the changes might make.</p><p>Northern Cyprus is one of the cheapest places to get IVF treatment. However, a British couple have recently discovered their children, conceived at a clinic in the country, are not biologically related despite the couple requesting the same sperm donor for both children. We find out more about what happened and how IVF clinics are regulated globally.</p><p>How mosquitoes could be used to vaccinate bats against rabies and nipah, and the potential benefit to human health.</p><p>In Ghana, Pakistan, Rwanda, and South Africa more than half of patients with serious injuries failed to reach medical care within an hour of being injured according to new research. Dr Leila Ghalichi, Senior Researcher at Department of Applied Health Sciences at the University of Birmingham explains what could be done to improve the situation.</p><p>And, how sperm behaves in space, and what that means for colonising other planets.</p><p>Presenter: Claudia Hammond Producer: Hannah Robins Assistant Producer: Jonathan Blackwell</p>