{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/a8a5a759-8cb1-52ad-b50a-8e08dcee4d1f/62c5c2385e40b60012aa1f66?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"The Darwin job: the vanishing, reappearing notebooks","thumbnail_width":200,"thumbnail_height":200,"thumbnail_url":"https://open-images.acast.com/shows/61ba187a1a8cbeaa483cf196/1644341607859-170b10c795433d89735bb71ef580ac4d.jpeg?height=200","description":"<p>One sleuth, two notebooks – and a 20-year mystery.</p><p><br></p><p>Listen to Life, Changing, a new series from Tortoise and the Nuffield Foundation:&nbsp;<a href=\"https://podfollow.com/1631138421\" rel=\"noopener noreferrer\" target=\"_blank\">https://podfollow.com/1631138421</a></p>","author_name":"The Observer"}