Janine was helping some students with high school genetics when she came across some fascinating research suggesting that whales and other cetacean mammals hardly ever get cancer. She and Aleena were super intrigued and just had to know why, especially as there is such a strong history of cancer in their family. Meanwhile, Aleena tells us how she spent a recent Friday night exploring the ins and outs of Excel pivot tables, and Janine outlines her accidental experiment which proves once and for all that her new favourite pens are not magical at all.

Full show notes at Sister Doctor Squared website.

Audio mastering, plus into and outro music by Dr Adrian Diery