Since its 1952 discovery at Berkeley Lab, scientists have performed few experiments on einsteinium because it is hard to create and it is exceptionally radioactive. Scientists have overcome these obstacles to better understand the remaining transuranic elements of the actinide series. https://newscenter.lbl.gov/2021/02/03/discoveries-at-the-edge-of-the-periodic-table-first-ever-measurements-of-einsteinium/