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
0
55
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
185
1998
New research conducted at the UNESCO World Heritage listed 'Plain of Jars' in Laos has established the stone jars were likely placed in their final resting position from as early as 1240 to 660 BCE.
Archaeology
Mar 10, 2021
7
4283
An international team of researchers has found evidence in ancient river sediments that suggest climate change, not a Mongol invasion, ultimately doomed the ancient Transoxania civilization. In their paper published in Proceedings ...
Researchers have developed a new method to retrieve hominin DNA from cave sediments—even in the absence of skeletal remains.
Archaeology
Apr 27, 2017
4
2474
Given the present-day rate of global sea-level rise, remaining marshes in the Mississippi Delta are likely to drown, according to a new Tulane University study.
Environment
May 22, 2020
30
5028
Researchers have recovered DNA from the sediments surrounding ancient artificial islands, known as crannogs, in Britain and Ireland. These results, along with environmental and biochemical data in these sediments, show the ...
Archaeology
Oct 10, 2022
0
296
The rapid development of fauna 540 million years ago has permanently changed the Earth—deep into its lower mantle. A team led by ETH researcher Andrea Giuliani found traces of this development in rocks from this zone.
Earth Sciences
Mar 7, 2022
0
1294
Scientists understand that Earth's magnetic field has flipped its polarity many times over the millennia. In other words, if you were alive about 800,000 years ago, and facing what we call north with a magnetic compass in ...
Earth Sciences
Nov 30, 2011
14
3
(Phys.org) —A team of European researchers has published a paper in the journal Proceedings of the National Academy of Sciences, offering a possible explanation for the apparent drop in early Earth's oxygen levels following ...
