Tag: coring
There were no “breaths of oxygen” on Earth before the Great Oxygenation
When did oxygen first appear in Earth’s atmosphere? The answer to this crucial question has evolved over the years. And today, once again, researchers are providing new answers. According to…
In the heart of the ice, the secrets of the climate
The analysis of the ice obtained by coring allows to reconstruct the variations of the temperature and the chemical composition of theatmosphere in the past, and that until approximately 400,000…