document.write("«&nbsp;<a href='/news/view?id=148932'>Analytical results on the Heisenberg spin chain in a magnetic field. (arXiv:1901.05878v1 [cond-mat.stat-mech])</a>");document.write(" | ");document.write("<a href='/news/view?id=148934'>Anti-vaccine nonsense spurred NY’s largest outbreak in decades</a>&nbsp;»");