People standing on a beach often feel the water tugging the sand away from under their feet. This is the undertow, the current that pulls water back into the ocean after a wave breaks on the beach.
Soft Matter
May 13, 2014
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HiRISE periodically images the Curiosity rover and its surroundings, monitoring for changes such as from active dunes.
Space Exploration
Apr 27, 2015
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UC Berkeley engineers have developed a mineral-coated sand that can soak up toxic metals like lead and cadmium from water. Along with its ability to destroy organic pollutants like bisphenol A, this material could help cities ...
Materials Science
Dec 13, 2019
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The acrid stench of gasoline permeates the air. And the soot coats everything in sight: the trees, the bushes, even the snow in winter. And all day long, explosions send the birds soaring to safety.
Environment
Nov 14, 2022
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(PhysOrg.com) -- A new software tool developed by the HiRISE team in the UA's Lunar and Planetary Lab allows members of the public to download high-resolution images of the Martian landscape almost instantaneously and explore ...
Space Exploration
Dec 8, 2011
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If you want to understand why some sandcastles are tall and have intricate structures while others are nearly shapeless lumps of sand, it helps to have a background in geotechnical engineering.
General Physics
Aug 22, 2022
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The islands Reunion and Mauritius, both well-known tourist destinations, are hiding a micro-continent, which has now been discovered. The continent fragment known as Mauritia detached about 60 million years ago while Madagascar ...
Earth Sciences
Feb 24, 2013
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A team of researchers from several institutions in Germany and Israel has used theoretical analysis to explain the conditions under which mega-ripples form in areas where sand dunes rise. In their paper published in the journal ...
Although sand dunes often conjure images of great deserts, they also occur along coastlines worldwide and can be an important buffer for communities threatened by sea level rise, storms and coastal erosion.
Scientists and veterinarians working for WCS's New York Aquarium have discovered something noteworthy in the near shore waters of Long Island's Great South Bay: a nursery ground for the sand tiger shark, a fearsome-looking ...
Ecology
Jan 5, 2016
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