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Ribosomes are tiny protein-making factories found inside cells, and a crucial component of life. And now a team of scientists has figured out how to make them self-replicate outside of cells. Without getting all Mary Shelley, the team says this is a step towards creating artificial life.

On a trip to the Isles of Scilly, Rowan found a spectacular lifeform of the week. On the shores of Porthcressa beach on St Mary’s island, he found a solar-powered sea slug, with the help of Scott and Samaya of .

America’s West Coast is still being ravaged by wildfires, and not only are they set to become more frequent as the climate warms, but they’re going to become even more intense. Chelsea, who can see the orange skies of the fires from her home, discusses the rising risk of so-called ‘extreme wildfires’. Rowan makes the point that new research shows that .Ìý

Centenarians - people who live to be older than 100 - who have all the markers of Alzheimer’s, don’t appear to be affected by the disease. The team finds out about an intriguing new finding that upends our understanding of amyloid plaques, the proteins we think are closely associated with dementia.

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Climate change artist and Australian playwright David Finnigan discusses his latest play ‘’, which he performed at this year’s Edinburgh fringe festival and which is coming to London. It looks at the 75,000 year history of our impact on the environment from the lens of the 2019 Australian bushfires.ÌýÌý

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On the pod are , Chelsea Whyte, Abby Beall and Carissa Wong. To read about these stories and much more, subscribe at newscientist.com/podcasts.

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