title: Mammoth-killer impact flunks out.
authors.forename: Richard A
authors.initials: RA
authors.lastname: Kerr
mesh_terms: D000818:Animals; D018130:Diamond; D053476:Extinction, Biological; D019015:Geologic Sediments / Q000737:chemistry; D056665:Mammoths; D019110:Meteoroids; D049329:Nanostructures
chemical_list: D018130:Diamond