Add Yahoo as a preferred source to see more of our stories on Google. Ancient ocean layers locked away carbon, cooling Earth’s lukewarm interglacials, new isotopic study shows. (CREDIT: Shutterstock) ...
Between 800,000 and 430,000 years ago, Earth went through a series of fairly gentle warm-ups that scientists are now calling “lukewarm interglacials.” The air over Antarctica was chilly during these ...