Hosts: Ed Brown, Penny Dumsday, Lucas Randall, Jo Benhamu 00:00:23 For bonobo males, sex is often done under mother's watchful eye. But it's not quite that creepy - the mother's are helpful, allowing the primates to copulate in peace! 00:04:33 Detecting lung cancer in the early stages can be tricky even for very experienced radiologists. But a huge test using Google's AI computers found that the algorithms performed better than humans, and made fewer false positives. 00:18:45 There's a climate change emergency, as atmospheric carbon dioxide levels are increasing rapidly. Fortunately, the trees are adapting to help us out, and a new study has found that the amount of carbon dioxide being absorbed by plants is also increasing. But it's not keeping up and won't won't last. 00:28:35 The contents of a small pouch, made from three fox snouts stitched together, have been analysed and may be the earliest evidence of the use of ayahuasca, a hallucinogenic plant preparation.

This episode contains traces of Leo Laporte, Jeff Jarvis and Mathew Ingram discussing Elon Musk's Starlink project, on This Week in Google.