In this episode:<h2>00:46 Machine vision enables multi-material 3D printing</h2>3D printers are capable of producing complex shapes, but making functioning objects from multiple materials in a single print-run has proved challenging. To overcome this, a team has combined inkjet printing with an error-correction system guided by machine vision, to allow them to print sophisticated multi-material objects. They used this method to make a bio-inspired robotic hand that combines soft and rigid plastics to make mechanical bones, ligaments, and tendons, as well as a pump based on a mammalian heart.Research article: <a href="https://www.nature.com/articles/s41586-023-06684-3" rel="noopener noreferrer" target="_blank">Buchner et al.</a>News & Views: <a href="https://www.nature.com/articles/d41586-023-03420-9" rel="noopener noreferrer" target="_blank">Multi-material 3D printing guided by machine vision</a>Video: <a href="https://www.youtube.com/watch?v=GDFuBoeVd_8" rel="noopener noreferrer" target="_blank">The 3D printer that crafts complex robotic organs in a single run</a><h2>07:49 Research Highlights</h2>Citizen-scientists help identify an astronomical object that blurs the line between asteroid and comet, and how a Seinfeld episode helped scientists to distinguish the brain regions involved in understanding and appreciating humour.Research Highlight: <a href="https://www.nature.com/articles/d41586-023-03399-3" rel="noopener noreferrer" target="_blank">Citizen scientists find a rarity: an asteroid trying to be a comet</a>Research Highlight: <a href="https://www.nature.com/articles/d41586-023-03400-z" rel="noopener noreferrer" target="_blank">One brain area helps you to enjoy a joke — but another helps you to get it</a><h2>10:31 Assessing the effectiveness of lifestyle interventions for diabetes</h2>Type 2 diabetes affects hundreds of millions of people around the world and represents a significant burden on healthcare systems. But behaviour change programmes — also known as lifestyle interventions — could potentially play a large role in preventing people from developing type 2 diabetes. This week in Nature a new paper assesses how effective this kind of intervention might be. Looking at a huge amount of data from the NHS Diabetes Prevention Programme, the paper concludes that these interventions represent a viable diabetes prevention strategy.Research article: <a href="https://www.nature.com/articles/s41586-023-06756-4" rel="noopener noreferrer" target="_blank">Lemp et al.</a>News & Views: <a href="https://www.nature.com/articles/d41586-023-03431-6" rel="noopener noreferrer" target="_blank">Diabetes prevention programme put to the test</a><h2>17:35 Briefing Chat</h2>How marine heatwaves revved up crabs’ metabolisms until they starved, and the AI-powered, robot chemist that could extract oxygen from water on Mars.Wired: <a href="https://www.wired.com/story/the-hidden-awful-way-that-climate-change-imperils-animals/" rel="noopener noreferrer" target="_blank">The Surprising Reason Sea Creatures Are Getting Hungrier</a>Nature News: <a href="https://www.nature.com/articles/d41586-023-03522-4" rel="noopener noreferrer" target="_blank">This AI robot chemist could make oxygen on Mars</a><hr> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.

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