Paleobotanists believed that angiosperms flourished after the asteroid impact 66 million years ago, but an analysis of seeds buried under volcanic ash dating to 74.6 million years ago reveals that they were already thriving 10 million years before the extinction. IB professor Cindy Looy, graduate student Jaemin Lee, former doctoral student Dori Contreras, and former undergraduate student James Saulsbury reported that Dori's Tuff flora contained large fruits from flowering trees, suggesting that animals were eating larger seeds produced by angiosperms 75 million years ago. Read the full story in Berkeley News.