The Office of Personnel Management (OPM) ordered federal agencies to take down all public information on its websites and social media accounts that “inculcate or promote gender ideology.” When the initial deadline arrived—Friday, Jan. 31, at 5 p.m. ET—multiple web entries and databases, including many dedicated to public health, went dark. At the same time, there is a herculean and whirlwind effort on the part of researchers, journalists and advocates to preserve and republish missin...