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Archive – March 2013

Some 20 years after its conviction in slaying of the dinosaurs, the Chicxulub impact crater is facing a retrial by a growing number of geologists who think the mass extinction event 65 million years ago was caused by something much larger. The latest debate over the ultimate reason for the mass extinction is occurring this week at the Natural History Museum in London. Researchers from around the world, including GEO Prof. Gerta Keller, are meeting there for the International Conference.