Earth News from the Chronicles

aerial photo of coastline in daylight

Ancient oyster shells provide historical insights

An interdisciplinary team of scientists studying thousands of oyster shells along the Georgia coast, some as old as 4,500 years, has published new insights into how Native Americans sustained oyster harvests for thousands of years, observations that may lead to better management practices of…
photo of sunflowers growing in desert sand, with sky, day

Research unlocks genetic key to sunflower resilience

How do sunflowers grow in the desert? Wild sunflowers display extensive variation, both between and within species, and scientists have now reported that variation is preserved by blocks of “supergenes” that permit adaptation to different environments. Such evolutionary changes are normally…
photo of two people on opposite site of lab table, with gloves, coats and masks

Resuming research

Under Phase 1 reopening protocols, the UGA research enterprise is up and running, marking the end of three anxious months for researchers across the university who had to suspend their work as the country grapples with the coronavirus pandemic: With its 17 schools and colleges…
undersea photo of burrowing activity on sea floor

Burrowing animals control carbon cycling on the sea floor

Researchers from ETH Zurich and UGA show that the activity of burrowing worms, clams, and shrimp are the most important driver of the community structure of microorganisms in the Earth's biggest carbon sink: continental shelf sediments. The results were published this week in the…
black and white photo of volcanic eruption

40-years since the Mt. St. Helen's eruption

Earlier this week, May 18 marked the anniversary of an epic geological event: the eruption of the Mt. St. Helen's volcano in 1980. Mattia Pistone, assistant professor in the department of geology, offered an assessment of the scientific effort in the 40 years since the eruption…

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