A Nobel Prize-winning neuroscientist at Columbia University resigned from some of his positions with the institution over his ties to convicted sex offender Jeffrey Epstein.  Richard Axel, co-director of the Zuckerman Mind Brain Behavior Institute, won a Nobel Prize in 2004 for discovering over 1,000 special receptors in the nose that send olfactory information to the brain.   “My past association with Jeffrey Epstein was a serious error…