Earth's ice ages may have been driven by a hidden ocean chain reaction
Scientists have uncovered a surprising connection between Earth's opposite poles that may help explain how the planet plunged into past ice ages. New research suggests that as massive ice sheets expanded across the Northern Hemisphere, they cooled Atlantic Ocean waters that eventually traveled south toward Antarctica. This cooling may have disrupted Southern Ocean circulation, allowing the ocean…
We haven't written up this one. ScienceDaily has the full story — the link below goes straight to it.