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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.