Giant lattice softening at a Lifshitz transition in Sr2RuO4. - Noad, H. M. L.; Ishida, K.; Li, Y.-S.; Gati, E.; Stangier, V.; Kikugawa, N.; Sokolov, D. A.; Nicklas, M.; Kim, B.; Mazin, I. I.; Garst, M.; Schmalian, J.; et al. (Science (pre-March 2025), 2023)