{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/65ba35d55fcb670017434b37/67c9846cfc5f88b98d83634f?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"Rare Glass Volcanoes ","description":"<p>Spanners and Dr Andrew talk, glass brains, rare earth minerals, and our imminent survival from an asteroid </p>","author_name":"Richard Ready"}