Uploaded July 2020 | Updated September 2026, 2 weeks ago
In order to delve into the planet’s past and search for clues about past climates and ocean conditions, scientists often collect sediment cores from the ocean’s bottom. These long cylinders of mud and sand contain clues about the past, laid down in layers over long time periods. What are cores, how are they collected, and what can they tell us about the planet’s past and future?
In order to delve into the planet’s past and search for clues about past climates and ocean conditions, scientists often collect sediment cores from the ocean’s bottom. These long cylinders of mud and sand contain clues about the past, laid down in layers over long time periods. What are cores, how are they collected, and what can they tell us about the planet’s past and future?










