Dr Shane, Dr Euan and Dr Jen discuss male parenting, narwhals, climate change, tickling and the invention of the foil electret microphone.

First guest: Professor Lisa Randall from Harvard University, tells us all about her upcoming talks in Australia and current dark matter research. Second guest: Dr Edwin Hawkins from WEHI, discusses the longstanding question of how leukaemia survives chemotherapy has been answered by researchers in Australia and the United Kingdom, bringing the world closer to more effective therapies for this devastating cancer. Program page: http://www.rrr.org.au/program/einstein-a-go-go/ Facebook page: Einstein A Go Go Twitter: https://twitter.com/einstein_agogo