A new study shows smoke from fires set by the first inhabitants of Aotearoa from around 1300 left a mark in the ice 6,000 kilometers away, on an island off the Antarctic Peninsula.
Earth science
Posted inNews
Scientists Call for Policies to Buffer Agricultural Runoff
By reviewing 44 studies, researchers make a scientific case for regulating agricultural pollution of streams and rivers by implementing conservation practices, including riparian buffer zones.
Posted inResearch Spotlights
Understanding Tremors Through Tree Rings
Researchers look to carbon isotopes and cell-level wood anatomy to understand how seismic-induced changes in water availability affect tree growth.
Posted inResearch Spotlights
Shedding Light on Microbial Communities in Deep Aquifers
Researchers use a packer system to study the microbial communities living in waters sampled from deep, uncontaminated peridotite aquifers.
Posted inResearch Spotlights
西伯利亚科雷马河的多年冻土碳元素含量极小
新的研究发现，北极河流目前运输的多年冻土来源的溶解有机碳有限，这对理解该地区变化的碳循环及其加速气候变化的潜力具有启示意义。
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Diamonds Are a Paleomagnetist’s Best Friend
Typical paleomagnetic measurements average a sample’s signal. The quantum diamond microscope helps scientists make micrometer-scale maps of magnetism, showing where a sample locked in its magnetic signatures.
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Surviving on the Periphery of a City of Earthquakes
Mexico City is one of the most disaster-prone urban areas in the world. Following an earthquake, marginalized communities living on the city’s periphery are exposed to more dangers than just collapsing buildings.
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Thirsty Plants Pull Water from Bedrock
Shrubs and trees across the United States routinely sip water stored in bedrock, a discovery that has implications for the terrestrial water cycle.
Posted inScience Updates
Tree Rings Reveal a 700-Year Record of Flooding in Bangladesh
Trees tell of a wetter past along the Brahmaputra River and, combined with climate modeling, suggest heightened future flood risks in one of the world’s most densely populated areas.
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Lasers Have the Makings of a 21st-Century Geoscience Tool
Laser-induced breakdown spectroscopy is a versatile geochemical tool being used in a wide range of applications, from Mars rovers to earthly rock identification.