Ancient viruses that affected our ancestors 30 mn years ago found
Vast expanses of grasslands emerged around this time, along with large mammals as the world's predominate fauna.
Mar 09, 2016, 14:22 PM ISTGlobal warming likely to extend for thousands of years
The international team of scientists generated new scenarios for temperature rise, glacial melting, sea-level rise and coastal flooding based on state-of-the-art climate and ice sheet models.
Feb 09, 2016, 11:30 AM IST