The oceanic thermohaline circulation is a global system of currents driven by density differences arising from variations in temperature (thermo) and salinity (haline). As surface waters cool or ...

Earth's history is replete with wide-ranging climate changes. Analysis of ice core data from Greenland and Antarctica provide evidence that global temperatures have oscillated no fewer than 20 times ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American If you look at a map of the world and draw a ...