Scientists find that some 700 years ago, the Jews of Erfurt, Germany, formed 2 groups; rabbinic consultants stipulated that they study only loose teeth from pre-excavated skeletons

Analysis of genomes from extinct species reveals previously unrecognized genetic lineage and shines light on the Ice Age and the life of its giant mammals

New kits will screen for genetic markers linked to 29 separate conditions, from heart disease to Tay-Sachs, but not in Israel, where private testing is not allowed