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Earth Sciences Jan 6, 2025

Aerial survey data analysis reveals major changes in Arctic pressure ridges

In the Arctic, the old, multi-year ice is increasingly melting, dramatically reducing the frequency and size of pressure ridges. These ridges are created when ice floes press against each other and become stacked, and are ...

Analytical Chemistry Oct 30, 2024

Metallic luster material can change color from silver to gold under UV light

There have been many attempts to create monochromatic metallic materials, but few materials change luster color in response to external stimuli. In a recent breakthrough, researchers from Chiba University have prepared a ...

Paleontology & Fossils Oct 29, 2024

New ancient species of cockroach discovered in the UK

A pair of paleontologists at The Open University, working with a colleague from the National Museum of Scotland, have identified a new species of ancient cockroach excavated from a site in Gloucestershire, U.K. In their paper ...

Nanomaterials Oct 16, 2024

The corners where atoms meet may provide a path to new materials for extreme conditions

How can we engineer materials that are stronger and lighter? What about new materials for extreme conditions, such as in jet engines and spacecraft? The answer, says Fadi Abdeljawad, an associate professor of materials science ...

Environment Oct 14, 2024

Carbon capture has a place in Illinois' climate-change toolkit

Approaching downstate Decatur by car, it's not unusual to smell the huge Archer Daniels Midland industrial complex before seeing it. The sweet aroma of fermenting grain wafts through vehicle windows and air vents, a sign ...

Environment Aug 26, 2024

Big polluters urged to pay as key Pacific summit opens in Tonga

Emissions-belching nations were challenged to stump up for climate-related damage as a key Pacific islands summit opened on Monday, with low-lying Tuvalu declaring: "If you pollute, you should pay."

Plasma Âé¶¹ÒùÔºics Aug 21, 2024

Quenching the intense heat of a fusion plasma may require a well-placed liquid metal evaporator

Inside the next generation of fusion vessels known as spherical tokamaks, scientists at the U.S. Department of Energy's Princeton Plasma Âé¶¹ÒùÔºics Laboratory (PPPL) envisioned a hot region with flowing liquid metal that is ...

Analytical Chemistry Aug 6, 2024

Sniff test for explosives detection extends its reach

Scientists have developed a way to detect tiny amounts of hard-to-detect explosives more than eight feet away, reducing the need to swipe clothing, luggage or other materials.

Political science Jun 25, 2024

Mapping media bias: How AI powers a new media bias detector

Every day, American news outlets collectively publish thousands of articles. In 2016, according to The Atlantic, The Washington Post published 500 pieces of content per day; The New York Times and The Wall Street Journal ...

Condensed Matter May 31, 2024

On-chip GHz time crystals with semiconductor photonic devices pave way to new physics and optoelectronic applications

Researchers have for the first time observed a time crystal on a microscale semiconductor chip oscillating at a rate of several billion times per second, unveiling exceptionally high non-linear dynamics in the GHz range.

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