New research from the University of California – San Diego challenges the generally accepted belief that substantial ice sheets could not have existed on Earth during past super-warm periods. The study by researchers at Scripps Institution of Oceanography at UC San Diego provides strong evidence that a glacial ice cap, about half the size of […]
Tag Archives | cretaceous
Honeybee Survival Puts Question Mark Over Chicxulub Asteroid
The tropical honeybee may challenge the idea that a post-asteroid impact “nuclear winter” was a big player in the decimation of dinosaurs 65 million years ago. The tropical honeybee, Cretotrigona prisca, survived the end-Cretaceous extinction event, despite what many researchers believe was a years-long period of darkness and frigid temperatures caused by sunlight-blocking dust and […]