Tabitha M. Powledge reviews coverage of two new papers from competing labs on the First Americans migration, one paper in Nature and the other in Science: "In fact, although you wouldn’t know it from the media, which loves a fight, the papers are in broad agreement about the data and even about its implications for theories of migration." Also, what motivated Stephen Hawking to give his endorsement to Yuri Milner’s $100 million project to search for alien life?
July 25, 2015