There was some other discussion on HN about this discovery four days ago[0], based on the press release from the competing MIT team. Both papers were published

There was some other discussion on HN about this discovery four days ago[0], based on the press release from the competing MIT team. Both papers were published in the same issue of Science[1,2] (preprints[3,4]). [0] https://news.ycombinator.com/item?id=9899369 https://news.ycombinator.com/item?id=9899369 [1] http://www.sciencemag.org/content/early/2015/07/15/science.aaa9273.abstract?sid=31d8c875-11ca-4da8-aeeb-32719f4e4395 http://www.sciencemag.org/content/early/2015/07/15/science.a... [2] http://www.sciencemag.org/content/early/2015/07/15/science.aaa9297.abstract?sid=31d8c875-11ca-4da8-aeeb-32719f4e4395 http://www.sciencemag.org/content/early/2015/07/15/science.a... [3] http://arxiv.org/abs/1502.03438 http://arxiv.org/abs/1502.03438 [4] http://arxiv.org/abs/1503.02630v1 http://arxiv.org/abs/1503.02630v1 (h/t @selimthegrim)