How Ancient Coral Reefs Record Earth’s Climate Millions of Years Ago
Wave-battered and sunlit, ancient coral reefs look like ruins – but they’re anything but silent. Locked inside their stone-white skeletons are timelines of temperature swings, ocean chemistry jolts, and sea-level pulses that outlast empires. The mystery is simple yet profound: how do we reconstruct climates that no instrument ever measured? The answer lives in the ...