Thanks to Stefanie Boesel and Annette Weiske for assistance with isotopic analysis at the Max Planck Institute for Evolutionary Anthropology, Leipzig. (rsos.royalsocietypublishing.org)
This is what the team found in one of the lunar samples that was abundant enough for isotopic analysis. (sciencedaily.com)
Thanks to Louise Butterworth, Catherine Kneale, James Rolfe and Hannah Zuckswert for assistance with isotopic analysis at the University of Cambridge. (rsos.royalsocietypublishing.org)