Jonathan Webb interviews Theresa Fruth of the University of Sydney about a potential dark-matter signal in the LUX-ZEPLIN xenon experiment. They explain how detector observations are interpreted, why the signal is of interest and what further evidence would be needed.
Jonathan Webb and ABC AI reporter Cam Wilson discuss how AI systems are changing mathematical research and the controversy around claims concerning the Navier–Stokes equations and the Millennium Prize. Mathematician Tristan Buckmaster of New York University contributes to the discussion.