Liu, F., Peng, H., Marshall, J. E., Lomax, B. H., Bomfleur, B., Kent, M. S., …Jardine, P. E. (2023). Dying in the Sun: Direct evidence for elevated UV-B radiation at the end-Permian mass extinction. Science Advances, 9(1), Article eabo6102. https://doi.org/10.1126/sciadv.abo6102