How Ocean Currents Work


It's easy to overlook the importance of ocean currents - they move along out at sea, while we stay mostly on land. But we are globally affected by them every day. Currents form the base of the food chain, drive weather and keep life as we know it going.

Image Credit: peangdao/ThinkStock

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Topics in this Podcast: Weather, earth science, moon, oceans, wind, tides