UC Berkeley alumnus Courtney Sprain and Berkeley Geochronology Center Director Paul Renne are lead authors on a report in Science detailing new argon-argon dating of the Deccan Traps in India. Their work on the timing of the Cretaceous-Paleogene extinctions relative to the Chicxulub impact and Deccan flood basalt eruptions remains the subject of exciting, ongoing research. Read more in the Berkeley News Center