Nature Podcast

00:54 How Mammals’ mutation rates affects their lifespanFor biologists, a long-standing question has been why some animals live longer than others. This week a team have attempted to answer this, by measuring the rates that different animal species accumulate mutations. They show that longer-lived animals acquire mutations at a slower rate, which helps to explain why cancer risk does not scale with lifespan.Research article: Cagan et al.News and Views: Mutational clocks tick differently across species07:56 Research HighlightsA clinical trial suggests a change to the treatment of a pregnancy ailment, and astronomers identify the largest known structure produced by a single galaxy.Research Highlight: Ambitious trial inspires a rethink on a common ailment of pregnancyResearch Highlight: Even among ‘giant’ galaxies this one is record-setting10:43 The war in Ukraine’s effects on global energyMany European countries are dependent on Russian fossil fuels for energy production. Following Russia’s unprovoked invasion