Maria Prokopenko, Pomona College and USC, discusses using oxygen triple isotopes and O2/Ar ratios to determine factors controlling carbon export production in spring blooms on the Bering Sea shelf.
 pit crater chains in Iceland
Prof. Grosfils — with colleagues Sarah Davey (first author), Richard Ernst, and Claire Samson (all at Carleton University) — presents an analysis of pit crater chain clustering in selected areas of Venus.