{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/039b783b-a527-4fdf-b3ce-b3c255ad3034/640b2af84208330011a6a5c2?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"Circular sand dunes on Mars mystery","thumbnail_width":200,"thumbnail_height":200,"thumbnail_url":"https://open-images.acast.com/shows/61ba036a1a8cbef5973cf0c0/611d8477-603a-4e9d-91a2-bd3721f17d0e.jpg?height=200","description":"<p>Nevermind earthly crop circles, scientists are scratching their heads over these near-perfect round sand dunes on the surface of Mars - <a href=\"https://www.standard.co.uk/tech/mars-circle-sand-dunes-mystery-b1066424.html\" rel=\"noopener noreferrer\" target=\"_blank\">see the images here</a>.&nbsp;Space junk: call out for global clear-out action, we speak to University of Plymouth’s Dr Imogen Napper. How fast is London Tube’s new 5G network? Revealed: How dinosaurs grew into giants.</p><p><br></p><p>Also in this episode:</p><ul><li>‘Cut social media by 15 minutes daily for better health’ - study</li><li>Fear of driverless cars increases</li><li>E-scooter rider loses £30,000 crash claim</li><li>History’s most premature twins set world record</li></ul>","author_name":"The Evening Standard"}