U.S. Senator Mike Rounds (right) met with members of the Berkeley Lab-led LUX-ZEPLIN collaboration during a meeting in South Dakota earlier this month. LZ is a dark matter search experiment at the Sanford Underground Research Facility in Lead, South Dakota. He’s pictured with the Lab’s Kevin Lesko. https://newscenter.lbl.gov/2019/07/16/some-assembly-required-scientists-piece-together-largest-us-dark-matter-experiment/