Comments on: <![CDATA[The Remnants of Prehistoric Plant Pollen Reveal that Humans Shaped Forests 11,000 Years Ago]]> http://www.smithsonianmag.com/science-nature/remnants-prehistoric-plant-pollen-reveal-humans-shaped-forests-11000-years-ago-180949985/?no-ist Tue, 02 Jun 2015 14:30:43 +0000 hourly 1