WASHINGTON, April 4 (Reuters) – Life on our planet faced a stern test during the Cryogenian Period that lasted from 720 million to 635 million years ago when Earth twice was frozen over with runaway Read More
Study explains how primordial life survived on ‘Snowball Earth’ – Reuters
/cloudfront-us-east-2.images.arcpublishing.com/reuters/4CDRRUMQXVIKBMR7IBBMCTDYKM.jpg "Study explains how primordial life survived on")
