Scientist gets the dirt on what could be the planet's oldest soil
UO geologist Greg Retallack has dirt on his hands—and at 3.7 billion years old, it might be some of the oldest dirt on Earth.
UO geologist Greg Retallack has dirt on his hands—and at 3.7 billion years old, it might be some of the oldest dirt on Earth.
Earth Sciences
Nov 8, 2018
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The earliest example of an organism living on land – an early type of fungus – has been identified. The organism, from 440 million years ago, likely kick-started the process of rot and soil formation, which encouraged ...
Biotechnology
Mar 2, 2016
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Precipitation reconstructions are essential for predicting impacts of future climate change and preparing for potential changes in terrestrial environmental conditions, such as shifting amounts of regional rainfall, which ...
Earth Sciences
Feb 20, 2015
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Physicists use hydrodynamics to understand the physical mechanism responsible for changes in the long-range order of groups of particles. Particularly, Aparna Baskaran of Brandeis University, Massachusetts, USA, and Cristina ...
General Physics
Oct 29, 2012
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Old houses and vacant lots may not look like much to the naked eye, but to some, the site is better than gold. Excavations over the years can create a challenge to study what's left behind and often appears as if dirt and ...
Environment
Apr 5, 2012
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In the Sahel, the frequency of storms increases when soil moisture varies over a few kilometers. Such contrasts cause air circulation between dry and humid areas, contributing to the development of storms. For the first time, ...
Earth Sciences
Jun 21, 2011
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A new study of how storms are generated could improve rainfall prediction in dry regions of Africa, where drought and short growing seasons are common.
Earth Sciences
Jun 12, 2011
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The planet's soils are under greater threat than ever before, at a time when we need to draw on their vital role to support life more than ever, warns an expert from the University of Sheffield today in the journal Nature.
Environment
Jun 8, 2011
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(PhysOrg.com) -- Iron furnaces that once dotted central Pennsylvania may have left a legacy of manganese enriched soils, according to Penn State geoscientists. This manganese can be toxic to trees, especially sugar maples, ...
Environment
Dec 10, 2010
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