title: Earth science: Extraordinary world.
authors.affiliation: Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093-0244, USA.
authors.forename: James M D
authors.initials: JM
authors.lastname: Day
mesh_terms: D056448:Earth Sciences; D018534:Earth, Planet; D006801:Humans; D012586:Science