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News articles about "Chemistry"

Undersea warfare: Viruses hijack deep-sea bacteria at hydrothermal vents

More than a mile beneath the ocean's surface as dark clouds of mineral rich water billow from seafloor hot springs called hydrothermal vents unseen armies of viruses and bacteria wage war Like pirates boarding a ... - Read More

Missing piece of biogeochemical puzzle in aquifers discovered

A study published today in Science by researchers from the U S Department of Energy's Argonne National Laboratory may dramatically shift our understanding of the complex dance of microbes and minerals that takes place in ... - Read More

Accelerator for molecular machines discovered

How hard can it be to make a wheel rotate in a machine Very hard actually when the wheel sits in one of those nano small molecular machines that are predicted to be running our ... - Read More

Next green revolution? Converting bacteria from free living to nitrogen-fixing

If you pull up a soybean or bean plant and shake off the dirt you might see odd swellings or bumps like rheumatic finger joints on its roots Inside the cool soil covered bumps are ... - Read More

Ocean acidity is dissolving shells of tiny snails off U.S. West Coast

A NOAA led research team has found the first evidence that acidity of continental shelf waters off the West Coast is dissolving the shells of tiny free swimming marine snails called pteropods which provide food ... - Read More

Ozone levels drop 20 percent with switch from ethanol to gasoline

A Northwestern University study by an economist and a chemist reports that when fuel prices drove residents of São Paulo Brazil to mostly switch from ethanol to gasoline in their flexible fuel vehicles local ozone ... - Read More

Graphene is only as strong as its weakest link: Experiments determine real-world limits of two-dimensional carbon

There is no disputing graphene is strong But new research by Rice University and the Georgia Institute of Technology should prompt manufacturers to look a little deeper as they consider the miracle material for applications ... - Read More

New lab-on-a-chip device overcomes miniaturization problems

UNSW Australia chemists have invented a new type of tiny lab on a chip device that could have a diverse range of applications including to detect toxic gases fabricate integrated circuits and screen biological molecules ... - Read More

Sustainable barnacle-repelling paint could help the shipping industry and the environment

Barnacles might seem like a given part of a seasoned ship's hull but they're literally quite a drag and cause a ship to burn more fuel To prevent these and other hangers on from slowing ... - Read More

New tool to investigate the chemistry of nature: Laser-based tabletop setup generates ultrashort XUV light pulses

The Aziz' team at the Joint Laboratory between Freie Universität Berlin and HZB has built a laser based tabletop setup which generates ultrashort XUV light pulses and achieves their monochromatization by implementing special reflection zone ... - Read More

Bacteria combat dangerous gas leaks

Bacteria could mop up naturally occurring and human made leaks of natural gases before they are released into the atmosphere and cause global warming according to new research from the University of East Anglia Findings ... - Read More

Rhode Island: Nitrogen cycle differs in bay and sound

A new study reports that anammox a key process in the nitrogen cycle is barely present in Narragansett Bay even though it's a major factor just a little farther out into Rhode Island Sound Scientists ... - Read More

Urban river pollutants suppress wild bird development

Findings reveal that chicks of the Eurasian Dipper – a river bird that feeds exclusively on insects and fish in upland streams – are underweight compared to their rural counterparts Credit Image courtesy of Cardiff ... - Read More

Bringing fiber optics to electronic components

Fiber optics increased the speed and quantity of information that can be transmitted through the Internet by transforming electrical signals into pulsating light The same can be done within laptops and other devices by using ... - Read More

New fluorescent hybrid material changes color according to direction of light

The UPV EHU's Molecular Spectroscopy Group in collaboration with the Institute of Catalysis and Petroleum Chemistry of the CSIC Spanish National Research Council has developed a highly fluorescent hybrid material that changes colour depending on ... - Read More

Label-free, sequence-specific, inexpensive fluorescent DNA sensors

Using principles of energy transfer more commonly applied to designing solar cells scientists at the U S Department of Energy's Brookhaven National Laboratory have developed a new highly sensitive way to detect specific sequences of ... - Read More

How costly are natural hazards? Experts link cost assessment with risk management

Costs of natural hazards are at historically high levels and show an increasing trend Cost assessments of natural hazards often only cover direct costs and even these are assumed to be at least 50% higher ... - Read More

Water test for the world: Simple pill brings lab to water to test for contamination

Inspiration can come in many forms but this one truly was a breath of fresh air A group of McMaster researchers has solved the problem of cumbersome expensive and painfully slow water testing by turning ... - Read More

Determining biocontainers' carbon footprint

Many efforts to reduce the environmental impacts associated with commercial horticulture production have failed to influence the general public For example one recent study showed that the use of organic fertilizers offered no significant marketing ... - Read More

Flexible battery, no lithium required: Lab creates thin-film battery for portable, wearable electronics

A Rice University laboratory has flexible portable and wearable electronics in its sights with the creation of a thin film for energy storage Rice chemist James Tour and his colleagues have developed a flexible material ... - Read More
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