Doctors can often detect diseases in humans using minimally invasive methods, like blood or urine tests, before symptoms become severe. Now, researchers at the Woods Hole Oceanographic Institution (WHOI) are applying a similar concept to coral reefs, showing that the water surrounding reefs cont...

Source: [Phys.org](https://phys.org/news/2026-07-seawater-samples-early-clues-reef.html)

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