Children with some of the most aggressive forms of cancer are being saved by a personalised medicine treatment programme in Australia. The Zero Childhood Cancer Program has saved more than 150 children who would’ve otherwise died. The team shares a moving interview with one of the parents. Lichens evolve even more slowly than you might think. The team examines new research into the abundant Trebouxia genus of lichen which appears to take around a million years to adapt to changing climate conditions.Enhanced weathering - using ground-up rocks to draw carbon dioxide out of the atmosphere - is one of a number of technological carbon capture solutions being tested to try and mitigate against global warming. The team speaks to Professor David Beerling of the University of Sheffield, one of the scientists in the UK leading the development of this technique.SpaceX has a suite of three missions planned to launch in its Polaris programme. The first aims to take its Dragon crew capsule higher into orbit than anyone has flown since the Apollo moon missions. The team shares what we know so far.And they find out whether adult human brains can actually grow new neurons. Spoiler: it doesn’t look good.On the pod are Rowan Hooper, Penny Sarchet, Leah Crane and Alice Klein. To read about these stories and much more, subscribe at newscientist.com/podcasts. Check out our sister show Escape Pod to hear more about lichens and much more. Our GDPR privacy policy was updated on August 8, 2022. Visit acast.com/privacy for more information.