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Why is it Hot Underground?
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2014Jul 16
Subscribe to MinuteEarth! - http://www.youtube.com/user/minuteear... And support us on Patreon: https://goo.gl/ZVgLQZ ________________________ Created by Henry Reich Production and Writing Team: Alex Reich, Peter Reich, Emily Elert, Ever Salazar, Kate Yoshida, and Henry Reich Narrated by Emily Elert Illustrated by Omkar Bhagat -    / c0defap   Music by Nathaniel Schroeder -   / drschroeder   ________________________ Free iTunes podcasts of MinuteEarth! - https://goo.gl/sfwS6n Facebook -   / minuteearth   Twitter -   / minuteearth   MinuteEarth provides an energetic and entertaining view of trends in earth's environment -- in just a few minutes! ________________________ References England, P. C., Molnar, P., & Richter, F. M. (2007). Kelvin, Perry and the Age of the Earth. American scientist, 95(4), 342-349. https://www.americanscientist.org/my_... Perry, J. (1895). On the age of the earth. Nature, 51, 341-342. Thomson, W. (1862). XV.—On the Secular Cooling of the Earth. Transactions of the Royal Society of Edinburgh, 23(01), 157-169. Excerpt: https://courses.seas.harvard.edu/clim... Thomson, W. (1897). The age of the Earth as an abode fitted for life.

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