title: PLANETARY SCIENCE. Scientists to drill into dinosaur-killing blast.
authors.forename: Eric
authors.initials: E
authors.lastname: Hand
mesh_terms: D000818:Animals; D004247:DNA / Q000032:analysis; D025061:Dinosaurs; D004190:Disasters; D005107:Explosions; D053476:Extinction, Biological; D060851:Gulf of America; D064307:Microbiota / Q000235:genetics; D018543:Minor Planets
chemical_list: D004247:DNA