Stunning aftermath images reveal swirling clouds of blue dust caused by Nasa’s asteroid-knocking test. Dr Cyrielle Opitom, a comets specialist at the University of Edinburgh, discusses the challenges of tracking the rock called Dimorphos seven million miles away via mega-telescopes in Chile. United Nations warns of water crisis fuelled by H20 ‘vampires’. UK sending depleted uranium tank shells to Ukraine. Hormonal contraceptives link to ‘small increased risk of breast cancer’.

Also in this episode: 

• Google’s Bard ChatGPT rival launch - adults only
• AI biggest tech leap since PC, says Bill Gates
• The Roman mosaic buried under a vape shop
• Print your cheesecake and eat it...first DIY 3D treat

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