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  "articleBody": "Ben Sparks with stunning visual proofs of some famous sums of series. More links & stuff in full description below ↓↓↓\n\nMore Ben on Numberphile: https://www.youtube.com/playlist?list=PLt5AfwLFPxWLDKmnxLg8477hrxY33LL6q\n\nBen Sparks: http://www.bensparks.co.uk/\n\nSum of the Integers (if you dare): https://www.youtube.com/playlist?list=PLt5AfwLFPxWK2zCU-4X1iuuu5m8hf6L1B\n\nGeogebra files from this video...\\\nTriangle numbers, sum of integers: https://www.geogebra.org/m/dmtqdkth\\\nSum of squares: https://www.geogebra.org/m/bx26yyac\\\nSum of cubes: https://www.geogebra.org/m/ytbpufrf\n\nBooks...\\\nWhy Don't Rabbits Rule the World: https://amzn.to/4h3yWhJ\\\nMaths: 100 Ideas in 100 Words: https://amzn.to/3RIpB4n\n\nPatreon: http://www.patreon.com/numberphile\n\nNumberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://bit.ly/numberphile-janestreet\n\nWe are also grateful for support from the Ben Delo Foundation - https://delo.org/\n\nNUMBERPHILE\\\nWebsite: http://www.numberphile.com/\n\nVideos by Brady Haran\n\nNumberphile T-Shirts and Merch: https://teespring.com/stores/numberphile\n\nBrady's videos subreddit: http://www.reddit.com/r/BradyHaran/\n\nBrady's latest videos across all channels: http://www.bradyharanblog.com/\n\nSign up for (occasional) emails: http://eepurl.com/YdjL9\n",
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  "content_html": "<p>Ben Sparks with stunning visual proofs of some famous sums of series. More links &amp; stuff in full description below ↓↓↓</p>\n<p>More Ben on Numberphile: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://www.youtube.com/playlist?list=PLt5AfwLFPxWLDKmnxLg8477hrxY33LL6q\">https://www.youtube.com/playlist?list=PLt5AfwLFPxWLDKmnxLg8477hrxY33LL6q</a></p>\n<p>Ben Sparks: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"http://www.bensparks.co.uk/\">http://www.bensparks.co.uk/</a></p>\n<p>Sum of the Integers (if you dare): <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://www.youtube.com/playlist?list=PLt5AfwLFPxWK2zCU-4X1iuuu5m8hf6L1B\">https://www.youtube.com/playlist?list=PLt5AfwLFPxWK2zCU-4X1iuuu5m8hf6L1B</a></p>\n<p>Geogebra files from this video...<br />\nTriangle numbers, sum of integers: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://www.geogebra.org/m/dmtqdkth\">https://www.geogebra.org/m/dmtqdkth</a><br />\nSum of squares: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://www.geogebra.org/m/bx26yyac\">https://www.geogebra.org/m/bx26yyac</a><br />\nSum of cubes: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://www.geogebra.org/m/ytbpufrf\">https://www.geogebra.org/m/ytbpufrf</a></p>\n<p>Books...<br />\nWhy Don't Rabbits Rule the World: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://amzn.to/4h3yWhJ\">https://amzn.to/4h3yWhJ</a><br />\nMaths: 100 Ideas in 100 Words: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://amzn.to/3RIpB4n\">https://amzn.to/3RIpB4n</a></p>\n<p>Patreon: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"http://www.patreon.com/numberphile\">http://www.patreon.com/numberphile</a></p>\n<p>Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://bit.ly/numberphile-janestreet\">https://bit.ly/numberphile-janestreet</a></p>\n<p>We are also grateful for support from the Ben Delo Foundation - <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://delo.org/\">https://delo.org/</a></p>\n<p>NUMBERPHILE<br />\nWebsite: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"http://www.numberphile.com/\">http://www.numberphile.com/</a></p>\n<p>Videos by Brady Haran</p>\n<p>Numberphile T-Shirts and Merch: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https://teespring.com/stores/numberphile\">https://teespring.com/stores/numberphile</a></p>\n<p>Brady's videos subreddit: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"http://www.reddit.com/r/BradyHaran/\">http://www.reddit.com/r/BradyHaran/</a></p>\n<p>Brady's latest videos across all channels: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"http://www.bradyharanblog.com/\">http://www.bradyharanblog.com/</a></p>\n<p>Sign up for (occasional) emails: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"http://eepurl.com/YdjL9\">http://eepurl.com/YdjL9</a></p>\n",
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