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News articles about "Chemistry"

SBU Team Discovers New Compounds that Challenge the Foundation of Chemistry

that even in well defined systems like sodium chloride you can find totally new chemistry and totally new and very exciting materials ” Oganov says “It’s like discovering a new continent now we need to ... - Read More

Oil- and metal-munching microbes dominate deep sandstone formations

Analysis
Halomonas are a hardy breed of bacteria They can withstand heat high salinity low oxygen utter darkness and pressures that would kill most other organisms These traits enable these microbes to eke out a living ... - Read More

Drought and climate change: an uncertain future?

Drought frequency may increase by more than 20% in some regions of the globe by the end of the 21st century but it is difficult to be more precise as we don't know yet how ... - Read More

Hack the planet? Geoengineering research, ethics, governance explored

Climate, climate
Hacking Earth's climate to counteract global warming a subject that elicits strong reactions from both sides is the topic of a December special issue of the journal Climatic Change A dozen research papers include the ... - Read More

Infrared sheds light on single protein complexes

Proteins are basic building blocks of life The chemistry and structure of proteins are essential for their biological function Indeed the structure of proteins determines their mechanical and catalytic properties e g enzymes Such functions ... - Read More

Targeted synthesis of natural products with light

Synthesis, Synthesis , Natural products
Photoreactions are driven by light energy and are vital to the synthesis of many natural substances Since many of these substances are also useful as active medical agents chemists try to produce them synthetically But ... - Read More

New material to enhance crop yield

Researchers at the UPM have developed a carbonaceous material from sewage sludge that when applied to soil can help to improve its quality The material is called biochar and was prepared and characterized by the ... - Read More

Nitrogen deposition poses threat to diversity of Europe's forest vegetation

nitrogen, Nitrogen
Unless nitrogen emissions are curbed the diversity of plant communities in Europe's forests will decrease Atmospheric nitrogen deposition has already changed the number and richness of forest floor vegetation species in European forests over the ... - Read More

Piece-by-piece approach to emissions policies can be effective, study finds

New analysis shows that policies addressing energy consumption and technology choices individually can play an important part in reducing emissions Discussions on curbing climate change tend to focus on comprehensive emissions focused measures a global ... - Read More

Lost freshwater may double climate change effects on agriculture

Agriculture, Freshwater
A warmer world is expected to have severe consequences for global agriculture and food supply reducing yields of major crops even as population and demand increases Now a new analysis combining climate agricultural and hydrological ... - Read More

Global warming: Four degree rise will end vegetation 'carbon sink', research suggests

carbon, Global warming, Global warming, Carbon
Latest climate and biosphere modelling suggests that the length of time carbon remains in vegetation during the global carbon cycle known as 'residence time' is the key uncertainty in predicting how Earth's terrestrial plant life ... - Read More

Small size enhances charge transfer in quantum dots

Quantum dots
Quantum dots tiny semiconductor crystals with diameters measured in billionths of a meter have enormous potential for applications that make use of their ability to absorb or emit light and or electric charges Examples include ... - Read More

Ultrafast heating of water: This pot boils faster than you can watch it

Water, Water, Water
Scientists from the Hamburg Center for Free Electron Laser Science have devised a novel way to boil water in less than a trillionth of a second The theoretical concept which has not yet been demonstrated ... - Read More

Graphene nanoribbons an ice-melting coat for radar

Ice
Ribbons of ultrathin graphene combined with polyurethane paint meant for cars is just right for deicing sensitive military radar domes according to scientists at Rice University The Rice lab of chemist James Tour in collaboration ... - Read More

Cellulose nanocrystals possible 'green' wonder material

Cellulose, Green, nanocrystals
The same tiny cellulose crystals that give trees and plants their high strength light weight and resilience have now been shown to have the stiffness of steel The nanocrystals might be used to create a ... - Read More

Green innovator: Turning chicken feathers and plant fiber into eco-leather, bio-based circuit boards

Green
The Environmental Protection Agency has honored the University of Delaware's Richard Wool with its Presidential Green Chemistry Challenge Award for his extensive work developing bio based materials to support the green energy infrastructure Wool was ... - Read More

SOFs take to water: First soluble 2-D supramolecular organic frameworks created

Water, Organic, Water, organic, Organic, Water
Supramolecular chemistry aka chemistry beyond the molecule in which molecules and molecular complexes are held together by non covalent bonds is just beginning to come into its own with the emergence of nanotechnology Metal organic ... - Read More

Ethanol blends carry hidden risk

Methane, Methane
Blending more ethanol into fuel to cut air pollution from vehicles carries a hidden risk that toxic or even explosive gases may find their way into buildings according to researchers at Rice University Those problems ... - Read More

Deep-sea corals record dramatic long-term shift in Pacific Ocean ecosystem

sea
Long lived deep sea corals preserve evidence of a major shift in the open Pacific Ocean ecosystem since around 1850 according to a study by researchers at the University of California Santa Cruz The findings ... - Read More

Nanoscale friction: High energy losses in the vicinity of charge density waves

Friction, Density
In collaboration with the University of Basel an international team of researchers has observed a strong energy loss caused by frictional effects in the vicinity of charge density waves This may have practical significance in ... - Read More
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