{"version":1,"type":"rich","provider_name":"Libsyn","provider_url":"https:\/\/www.libsyn.com","height":90,"width":600,"title":"Calculating the Limits of Human Endurance","description":"Studying long-term energy expenditure of athletes in sporting events ranging from 0.5 to 140 days long, researchers have calculated the limits of human endurance. Based on this research, it also turns out pregnant women are endurance masters! Kristen\u2019s Headshake co-host Nathan A. Libby pays a visit. &amp;nbsp; Check out the trailer for the new podcast Headshake, set to premiere February 24! https:\/\/headshake.show\/episodes\/0 &amp;nbsp; References and Resources  Article: Ultimate limit of human endurance found   https:\/\/www.bbc.com\/news\/health-48527798   Primary Research: Extreme events reveal an alimentary limit on sustained maximal human energy expenditure   https:\/\/advances.sciencemag.org\/content\/5\/6\/eaaw0341   Textbook: Vander\u2019s Human Physiology 13th Edition  &amp;nbsp; Connect - Leave comments, suggest topics, and ask science questions! Website: earlybirdscience.com Twitter: @EarlyBirdSci Instagram: @EarlyBirdScience Facebook: @EarlyBirdScience ","author_name":"Early Bird Science","author_url":"https:\/\/www.earlybirdscience.com","html":"<iframe title=\"Libsyn Player\" style=\"border: none\" src=\"\/\/html5-player.libsyn.com\/embed\/episode\/id\/13144313\/height\/90\/theme\/custom\/thumbnail\/yes\/direction\/forward\/render-playlist\/no\/custom-color\/88AA3C\/\" height=\"90\" width=\"600\" scrolling=\"no\"  allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen><\/iframe>","thumbnail_url":"https:\/\/assets.libsyn.com\/secure\/content\/64845320"}