Redirecting you to https://www.quantamagazine.org/graduate-student-solves-decades-old-conway-knot-problem-20200519/?utm_source=Quanta+Magazine&utm_campaign=e7d7c5345b-RSS_Daily_Mathematics&utm_medium=email&utm_term=0_f0cb61321c-e7d7c5345b-390057969&mc_cid=e7d7c5345b&mc_eid=aba4e4c91f