<![CDATA[RSS Feed]]>http://direct.ecency.comhttp://direct.ecency.com/logo512.pngRSS Feedhttp://direct.ecency.comRSS for NodeMon, 04 May 2026 13:05:34 GMT<![CDATA[How Eratosthenes calculated the Earth's circumference]]>http://direct.ecency.com/science/@clahan/how-eratosthenes-calculated-the-earth-s-circumferencehttp://direct.ecency.com/science/@clahan/how-eratosthenes-calculated-the-earth-s-circumferenceTue, 04 Jul 2017 07:35:30 GMT