Geologists have found evidence that sea ice extended to the equator 716.5 million years ago, bringing new precision to a "snowball Earth" event long suspected to have taken place around that time, sciencedaily.com says.
Oppdatert: 08.12.2010 10:53
av Ida
Halfdan Carstens, ansvarlig redaktør – GeoPublishing AS, Postboks 6315 Sluppen, 7491 Trondheim - Tlf: 73 90 40 90 / 73 90 40 89
