1 Jeremy Jackson, Deputy Editor, Science Advances; Center for Biodiversity and Conservation and Department of Paleontology, American Museum of Natural History, New York, NY 10024, USA. Email: jjackson@amnh.org.
2 Kip Hodges, Deputy Editor, Science Advances; Foundation Professor, School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, USA. Email: kip.hodges@aaas.org.