How the ice ages ended
A study of sediment cores collected from the deep ocean supports a new explanation for how glacier melting at the end of the ice ages led to the release of carbon dioxide from the ocean.
A study of sediment cores collected from the deep ocean supports a new explanation for how glacier melting at the end of the ice ages led to the release of carbon dioxide from the ocean.
Earth Sciences
May 1, 2013
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The last million years of Earth history have been characterized by frequent "glacial-interglacial cycles," large swings in climate that are linked to the growing and shrinking of massive, continent-spanning ice sheets. These ...
Earth Sciences
Dec 10, 2020
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The Earth's inner core is hot, under immense pressure and snow-capped, according to new research that could help scientists better understand forces that affect the entire planet.
Earth Sciences
Dec 19, 2019
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It is widely accepted that the Earth's inner core formed about a billion years ago when a solid, super-hot iron nugget spontaneously began to crystallize inside a 4,200-mile-wide ball of liquid metal at the planet's center.
Earth Sciences
Feb 7, 2018
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Yale researchers may have solved a longstanding puzzle as to why certain metallic meteorites show traces of a magnetic field—a finding that may shed light on the formation of magnetic dynamos at the core of planets.
Astronomy
Aug 1, 2023
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2845
Some 31 pyramids in Egypt, including the Giza pyramid complex, may originally have been built along a 64-km-long branch of the river Nile which has long since been buried beneath farmland and desert. The findings, reported ...
Archaeology
May 16, 2024
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282
New research reveals more information about the LSU Campus Mounds, including the discovery of thousands of years old charred mammal bone fragments and a coordinated alignment of both mounds toward one of the brightest stars ...
Archaeology
Aug 22, 2022
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833
In August 1979, an oil pipeline burst near Bemidji, Minn., spraying 1.7 million liters of crude oil onto the ground. Following cleanup, 400,000 liters that had seeped into sediments still remained. Recognizing a unique opportunity, ...
Earth Sciences
May 19, 2022
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Repeated catastrophic ice discharges from western North America into the North Pacific contributed to, and perhaps triggered, hemispheric-scale changes in the Earth's climate during the last ice age, new research published ...
Earth Sciences
Oct 1, 2020
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A small team of astronomers at Université Côte d'Azur, Observatoire de la Côte d'Azur, working with a colleague from MCCE, Observatoire de Paris, Sorbonne Université, has found more evidence that the moon has an inner ...