Ice ages only thanks to feedback

Ice ages and warm periods have alternated fairly regularly in the Earth's history: the Earth's climate cools roughly every 100,000 years, with vast areas of North America, Europe and Asia being buried under thick ice sheets. ...

Research explains mystery of ocean sediment

(PhysOrg.com) -- New research by an international team of researchers has revealed the previously unidentified role that fish play in the production of sediments in the world's oceans.

page 1 from 12