The tunnel will traverse multiple difficult subsoil layers: a surface of historical and active landfill materials, including spoil from London tunneling projects and decades-old power station fly ash, a thick layer of alluvium composed of silts, clays, and peat, and, finally, highly variable chalk.
—
Theo Burman,
MSNBC Newsweek,
6 July 2025
At some point, alluvium buried the entire tusk, possibly from major storm flooding.
Whereas previous metal pollution records extracted their silt, or evidence from areas far from their sources— upland peat cores or mountain and polar glaciers, Cambridge specifies –the most recent data comes from the epicenter of production, a paleochannel of the River Ure, Cambridge explains.
—
Maria Mocerino,
Interesting Engineering,
14 Sep. 2025
The rover’s science instruments found that the formation’s sedimentary rocks are composed of clay and silt, which, on Earth, are excellent preservers of past microbial life.
In a new study published in Antiquity, researchers from Cambridge and Nottingham examined a 16-feet sediment core from Aldborough in Yorkshire, an important center of metal production located at a former Roman tribal town of Brigantes.
—
Maria Mocerino,
Interesting Engineering,
14 Sep. 2025
Direct dating Paleontologists often estimate the age of plant and animal fossils based on sediments where the organic material was preserved.
And these survived only because clay and salt in the surrounding soil protected them from further decay.
—
Dirk Schulze-Makuch,
Big Think,
17 Sep. 2025
Smoothing round poppy seeds and sea salt—which do the gentle buffing—come suspended in a hunk of detoxifying French blue clay, nourishing olive fruit oil, and zingy peppermint essential oil, the latter of which wakes you up better than any iPhone alarm.
That’s why architect Catherine Sloan chose wood lap siding (swathed in Benjamin Moore’s Swiss Coffee, OC-45), a cedar-shingle roof, and wood windows.
—
Mary Shannon Wells,
Southern Living,
14 Sep. 2025
But a new shingle (and URL) outside the Pentagon does not solve the fiendish challenges of running the Army, Navy, Marine Corps, Air Force, Coast Guard and Space Force.
In an effort to cut down on this waste, researchers have figured out a way to send electric pulses through the mud to purify it and allow it to be reused instead of discarded.
—
New Atlas,
New Atlas,
17 Sep. 2025
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