Dinosaur extinction began 2 mln years earlier than previously believed: study

BEIJING: A recent study has revealed that dinosaurs had been on the road to extinction much earlier than previously believed, and the catastrophic impact 66 million years ago might have only been the last straw. According to the study published this week in the journal Proceedings of the National Academy of Sciences of the United […]

from Daily Times https://ift.tt/srgclta