News tagged with ocean currents

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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 ...

Aug 07, 2013
4.3 / 5 (32) 47 | with audio podcast

Ocean currents speed melting of Antarctic ice

Stronger ocean currents beneath West Antarctica's Pine Island Glacier Ice Shelf are eroding the ice from below, speeding the melting of the glacier as a whole, according to a new study in Nature Geoscience. A grow ...

Jun 26, 2011
3.9 / 5 (9) 24 | with audio podcast

Missing sunspots: Solar mystery solved

The Sun has been in the news a lot lately because it's beginning to send out more flares and solar storms. Its recent turmoil is particularly newsworthy because the Sun was very quiet for an unusually long ...

Mar 02, 2011
4.9 / 5 (14) 20 | with audio podcast