Chemical signatures of marine organisms reveal that seasonal sea ice, not a massive ice shelf, persisted in the southern Arctic Ocean for 750,000 years.
sediments
Posted inNews
Coral Cores Pinpoint Onset of Industrial Deforestation
Trace elements in coral reefs provide a timeline of how Borneo’s rainforests have been altered by industry.
Posted inResearch Spotlights
地震如何改变湖泊微生物群落
提示：地震发生后，湖泊的地质、化学和生物成分会重新配置。一项新的研究深入探讨了地震变化对喜马拉雅地区措普湖的影响。
Posted inResearch Spotlights
How Earthquakes Shake Up Microbial Lake Communities
After an earthquake, a lake’s geological, chemical, and biological components get reconfigured. A new study dives into the effects of seismic shifts on the Himalayas’ Lake Cuopu.
Posted inNews
Biomass and Biodiversity Were Coupled in Earth’s Past
Measuring shells and skeletons encased in thousands of limestone samples has revealed that the sheer amount of living stuff in Earth’s oceans changed alongside the diversity of organisms.
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Pollution from Wildfires Can Contaminate Our Water for up to 8 Years, Study Finds
An analysis of 500 watersheds found levels of organic carbon, phosphorus, and other pollutants up to 103 times higher after a wildfire.
Posted inResearch Spotlights
Coherent, Not Chaotic, Migration in the Brahmaputra-Jamuna River
The channel threads in braided river systems may be more predictable than previously thought.
Posted inScience Updates
Finding Consensus on Arctic Ocean Climate History
Understanding the effects of a “blue” Arctic Ocean on future climate requires a coordinated effort to study Earth’s past warm periods using a variety of classical and cutting-edge methods.
Posted inNews
Tracking the Sediment Carried by the Muddy Mississippi
New research shows that typically, less than 10% of land-building alluvium reaches the Bird’s Foot Delta region, the southernmost reach of the river, where it meets the Gulf.