{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/6824cccda9ce4d3694189554/6824cce7571d171f04993f79?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"Leap Years","thumbnail_width":200,"thumbnail_height":200,"thumbnail_url":"https://open-images.acast.com/shows/6824cccda9ce4d3694189554/711534f76ef35b1adb35ecc474cf68c5.jpeg?height=200","description":"<p>Every four years, we add an extra day to the end of February and nobody knows why. This week, we investigate Leap Years and finally get to the bottom of what's going on.</p>","author_name":"The Complete Guide to Everything"}