Origin of gold found in rare neutron-star collisions
http://www.washingtonpost.com/national/health-science/origin-of-gold-found-in-rare-neutron-star-collisions/2013/07/17/a158bd46-eef2-11e2-bed3-b9b6fe264871_story.html (http://www.washingtonpost.com/national/health-science/origin-of-gold-found-in-rare-neutron-star-collisions/2013/07/17/a158bd46-eef2-11e2-bed3-b9b6fe264871_story.html)