Why do carbon dioxide levels in the atmosphere wax and wane in conjunction with the warm and cold periods of Earth's past? Scientists have been trying to answer this question for many years, and thanks to chemical clues left ...
Earth Sciences
May 21, 2020
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252
An emerging system which combines rapid imaging with artificial intelligence could help scientists build a comprehensive picture of present and historic environmental change—by swiftly and accurately analyzing pollen.
Molecular & Computational biology
Sep 7, 2023
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76
Researchers have discovered a series of large undersea sediment deposits in a region near Italy that were likely formed by an ancient volcanic supereruption.
Earth Sciences
Nov 14, 2023
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6
(PhysOrg.com) -- A team of scientists from the United States, Germany, Russia and Austria has just returned from a six-month drilling expedition to a frozen lake in Siberia: Lake El'gygytgyn, "Lake E" for short.
Earth Sciences
May 28, 2009
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0
Africa plays a prominent role in human evolution, and is considered by researchers to be the cradle of humanity. In the mid-20th century anthropologists found fossils of Paranthropus robustus in South Africa, which belongs ...
Earth Sciences
Jul 10, 2018
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145
Changes in Earth's orbit that favored hotter conditions may have helped trigger a rapid global warming event 56 million years ago that is considered an analog for modern climate change, according to an international team ...
Earth Sciences
Dec 13, 2022
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220
Until now, studies of Earth's climate have documented a strong correlation between global climate and atmospheric carbon dioxide; that is, during warm periods, high concentrations of CO2 persist, while colder times correspond ...
Earth Sciences
Jun 6, 2012
12
0
(PhysOrg.com) -- New samples of rock and sediment from the depths of the eastern Pacific Ocean may help explain the cause of large, destructive earthquakes similar to the Tohoku Earthquake that struck Japan in mid-March.
Earth Sciences
Jun 29, 2011
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0
A new study is sounding the alarm on the impact climate change could have on one of the world's most vulnerable regions.
Earth Sciences
Oct 9, 2020
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180
As scorching heat grips large swaths of the Earth, a lot of people are trying to put the extreme temperatures into context and asking: When was it ever this hot before?
Earth Sciences
Jul 24, 2023
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