This week, Claire talks to bone marrow donor Ollie Barrand about what happens in a donation and how it saves lives. To find out more about joining the Australian Bone Marrow Donor Registry, go to www.abmdr.org.au
Also, Chris asks marine biologist Genefor Walker-Smith all about the flesh-eating amphipods that attacked a Melbourne teenager.
Chris Lassig, Stuart Burns and Claire Farrugia and others.