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The world, the universe and us

The world, the universe and us

New Scientist

From the evolution of intelligent life, to the mysteries of consciousness; from the threat of the climate crisis to the search for dark matter, The world, the universe and us is your essential weekly dose of science and wonder in an uncertain world. Hosted by journalists Dr Rowan Hooper and Dr Penny Sarchet and joined each week by expert scientists in the field, the show draws on New Scientist’s unparalleled depth of reporting to put the stories that matter into context. Feed your curiosity with the podcast that will restore your sense of optimism and nourish your brain. For more visit newscientist.com/podcasts

Categories: Science & Medicine

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Episode 341 "The best minds of my generation are thinking about how to make people click ads. That sucks." A compelling quote that sums up the thesis of Rutger Bregman’s new book. In Moral Ambition, the Dutch historian and the best-selling author argues that smart people need to stop wasting their lives in “BS” jobs - and turn their skills to causes that benefit humanity. By reflecting on the history of the abolitionist and women’s rights movements, he explains why it’s never too late to take action on major issues - like climate change or the exploitation of animals. He also explores how AI experts are preparing for a massive shift in the way we live, that we need to pay attention to. Same-sex sexual behaviour in primates is incredibly common - despite seemingly having no evolutionary advantage. But scientists have now noticed something counterintuitive. This behaviour happens more often in high-stress environments, where food is scarce, suggesting it may aid with social cohesion. It may even improve the success of straight sex - increasing the number of offspring in a group. If you want to live a longer, healthier life - it may be way easier than you think. Most modern longevity advice is about optimising every aspect of your life - and can feel overwhelming for many people. But a new study shows you can add a full year to your life, just by making very minor tweaks to things like sleep and exercise. Find out how. For three years in a row, average global temperatures have exceeded 1.5 degrees Celsius above preindustrial temperatures. As we fail to get a handle on rising global heating, scientists are exploring a new - slightly odd - way of managing carbon levels. The idea is to protect Earth’s climate from future wildfires, but cutting down vast swathes of forest and sinking the trees in the Arctic ocean. But will it work - or make things worse? Hosted by Rowan Hooper with guests Rutger Bregman, Michael Le Page, Carissa Wong and Alec Luhn. To read more about these stories, visit https://www.newscientist.com/ Learn about New Scientist CoLab and ViiV Healthcare’s roundtable discussion here: viiv@newscientist.com Learn more about your ad choices. Visit megaphone.fm/adchoices

Previous episodes

408 - Rutger Bregman on the crisis of moral ambition; Why primates have same-sex relationships; Living longer is easier than you think; Bizarre method to fight climate change
Fri, 16 Jan 2026

407 - Why does America want Greenland?; Mystery of dark DNA; Ozempic weight rebound
Fri, 09 Jan 2026

406 - Humans are finally heading back to the moon; Cheaper weight loss drugs are coming; Milestone for LSD trials; Promise of new carbon tax
Fri, 02 Jan 2026