News tagged with sediment cores

How the ice ages ended

A study of sediment cores collected from the deep ocean supports a new explanation for how glacier melting at the end of the ice ages led to the release of carbon dioxide from the ocean.

May 01, 2013
4.5 / 5 (24) 48 | with audio podcast

Dramatic ocean circulation changes revealed

The unusually cold weather this winter has been caused by a change in the winds. Instead of the typical westerly winds warmed by Atlantic surface ocean currents, cold northerly Arctic winds are influencing ...

Jan 14, 2011
4.4 / 5 (22) 13 | with audio podcast

Scientists probe Earth's core

We know more about distant galaxies than we do about the interior of our own planet. However, by observing distant earthquakes, researchers at the University of Calgary have revealed new clues about the top ...

Apr 28, 2010
4.4 / 5 (20) 4 | with audio podcast