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Update news warm seas
Warm seas around Australia's Great Barrier Reef have killed two-thirds of a 700-km (435 miles) stretch of coral in the past nine months, the worst die-off ever recorded on the World Heritage site,
Fossils unearthed in a South Carolina drainage ditch are providing insight into the development of ultrasonic hearing in prehistoric whales, a trait closely linked to their uncanny ability to hunt and navigate using sound waves and echoes.