5+ hour, 57+ min ago  (751+ words) Flowering plants, or angiosperms, now dominate Earth's flora, but biologists thought they truly took off only after an asteroid impact 66 million years ago. A "botanical Pompeii' containing fossilized seeds and fruits shows they prospered 10 million years earlier. A unique cache…...

7+ mon, 6+ day ago  (511+ words) Two years ago, a novel analysis by UC Berkeley researchers pointed to comb jellies as the root of the animal tree of life. Another Berkeley group now says it's sponges. Biologists who study the evolutionary origin of animals got a…...