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Mystery of 8,500-year-old copper-making event revealed through materials science

An international team of archaeological scientists have put an end to the more than half-a-century old claim about the earliest copper smelting event at the Late Neolithic site of Çatalhöyük in central...

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Fizzy soda water could be key to clean manufacture of flat wonder material:...

Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign...

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World's oldest Italian wine just discovered: Ancient pottery tests positive...

Chemical analysis conducted on ancient pottery could dramatically predate the commencement of winemaking in Italy. A large storage jar from the Copper Age (early 4th millennium BC) tests positive for...

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Newly-discovered semiconductor dynamics may help improve energy efficiency

Researchers examining the flow of electricity through semiconductors have uncovered another reason these materials seem to lose their ability to carry a charge as they become more densely "doped."...

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Scientists fine-tune system to create 'syngas' from CO2

Scientists have developed a new recipe for creating synthesis gas mixtures, or syngas, that involves adding a pinch of copper atoms sprinkled atop a gold surface. The new material supports a...

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Treating citrus greening with copper: Effects on trees, soils

Citrus greening is a major challenge for Florida growers. The disease destroys the production, appearance, and economic value of citrus trees and their fruit. Trees decline and die within three years....

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Biosensor for heavy metals

A team of Empa scientists has developed a biosensor which allows them to detect elevated concentrations of copper in a simple, quick and economic way. Copper, like other heavy metals is problematic in...

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Fishing for new antibiotics

Two potent antibacterials found in fish do their dirty work in unexpected ways, report UConn chemists and colleagues in a paper accepted by the FEBS Journal. The research could point the way to...

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Nanotube fiber antennas as capable as copper

Fibers made of carbon nanotubes configured as wireless antennas can be as good as copper antennas but 20 times lighter, according to Rice University researchers. The antennas may offer practical...

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A quantum spin liquid: Honeycomb lattice meets elusive standards of the...

Researchers from Boston College and Harvard have created an elusive honeycomb-structured material capable of frustrating the magnetic properties within it in order to produce a chemical entity known as...

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Turning a pinch of salt into an electrical switch

A team of scientists from the University of Liverpool, University College London and the University of Zaragoza in Spain has discovered a way to induce and control a fundamental electrical switching...

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How harmful are nano-copper and anti-fungal combinations in the waterways?

A recently published article in Environmental Toxicology and Chemistry, "Effects of Micronized and Nano-Copper Azole on Marine Benthic Communities" explores the risks to the smallest creatures in...

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Physicists improve vertical stability of superconducting Korean fusion device

A major challenge facing the development of fusion energy is maintaining the ultra-hot plasma that fuels fusion reactions in a steady state, or sustainable, form using superconducting magnetic coils to...

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One big wire change from 1997 still helping chips achieve tiny scale

The IT state-of-the-art 20 years ago was rapidly ending, and we – and I mean everyone in the industry that made a device with a chip inside of it – needed something new to keep up with the demand for...

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'Ion billiards' cue novel material synthesis method

A team of Hokkaido University researchers has developed a novel material synthesis method called proton-driven ion introduction (PDII) which utilizes a phenomenon similar to "ion billiards." The new...

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Unique metal artefacts from Iron Age settlement shed new light on prehistoric...

A unique collection of Iron Age metal artefacts which sheds new light on feasting rituals among prehistoric communities has been discovered by archaeologists from the University of Leicester during an...

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Scientists decipher key principle behind reaction of metalloenzymes

What enables electrons to be transferred swiftly, for example during photosynthesis? An interdisciplinary team of researchers has worked out the details of how important bioinorganic electron transfer...

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Building molecular wires, one atom at a time

Electronic devices are getting smaller and smaller. Early computers filled entire rooms. Today you can hold one in the palm of your hand. Now the field of molecular electronics is taking...

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Metal-reducing bacteria offer a greener route for producing copper catalysts

Copper nanoparticles (Cu-NPs) have a wide range of applications as catalysts, in scientific fields as diverse as drug discovery and materials science. The natural abundance of copper, and its...

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Metals in taps and water pipes can dissolve into drinking water

Significant amounts of nickel, lead and copper can dissolve into the water from the water pipes and taps in buildings. This was revealed in the master's thesis of Meri Sipilä, who graduated recently...

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