Homo sapien http://iowapublicradio.org en From 1.8 Million Years Ago to Thousands of Light-Years Away http://iowapublicradio.org/post/18-million-years-ago-thousands-light-years-away <p>Today on River To River, host Ben Kieffer checks in with an astronomer here in Iowa, who has found something new while observing a solar system about 3,000 light years from Earth… A discovery that gives us insight on how alien solar systems are structured.</p><p>And, we look into the discovery of a 1.8-million-year-old human skull in Europe that has ignited debate on the origins of distinct species of ancient human relatives.</p> Mon, 21 Oct 2013 21:27:13 +0000 Ben Kieffer & Emily Woodbury 30902 at http://iowapublicradio.org From 1.8 Million Years Ago to Thousands of Light-Years Away