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News articles about "Chemistry"

Permafrost soil: Possible source of abrupt rise in greenhouse gases at end of last ice age

Scientists from the Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research AWI have identified a possible source of carbon dioxide CO2 and other greenhouse gases that were abruptly released to the atmosphere in ... - Read More

Nuclear reactor fuel behavior during a severe event

A new discovery about the atomic structure of uranium dioxide will help scientists select the best computational model to simulate severe nuclear reactor accidents Using the Advanced Photon Source APS a Department of Energy DOE ... - Read More

Deep-Earth carbon offers clues on origin of life: New organic carbon species linked to formation of diamonds -- and life itself

New findings by a Johns Hopkins University led team reveal long unknown details about carbon deep beneath Earth's surface and suggest ways this subterranean carbon might have influenced the history of life on the planet ... - Read More

CT scans of coral skeletons reveal ocean acidity increases reef erosion

Coral reefs persist in a balance between reef construction and reef breakdown As corals grow they construct the complex calcium carbonate framework that provides habitat for fish and other reef organisms Simultaneously bioeroders such as ... - Read More

Biochemists build largest synthetic molecular 'cage' ever

UCLA biochemists have created the largest ever protein that self assembles into a molecular cage The research could lead to synthetic vaccines that protect people from the flu HIV and other diseases At a size ... - Read More

Quantum mechanical calculations reveal the hidden states of enzyme active sites

Enzymes carry out fundamental biological processes such as photosynthesis nitrogen fixation and respiration with the help of clusters of metal atoms as active sites But scientists lack basic information about their function because the states ... - Read More

Molecules that came in handy for first life on Earth

For the first time chemists have successfully produced amino acid like molecules that all have the same 'handedness' from simple building blocks and in a single test tube Could this be how life started On ... - Read More

Mimics do not substitute for the 'real thing' for bomb-sniffing dogs

Canines trained on pseudo explosives could not reliably identify the genuine article and vice versa When it comes to teaching dogs how to sniff out explosives there's nothing quite like the real thing to make ... - Read More

Scientists do glass a solid, with new theory on how it transitions from a liquid

How does glass transition from a liquid to its familiar solid state How does this common material transport heat and sound And what microscopic changes occur when a glass gains rigidity as it cools A ... - Read More

Physicists and chemists work to improve digital memory technology

The improvements in random access memory that have driven many advances of the digital age owe much to the innovative application of physics and chemistry at the atomic scale Accordingly a team led by UNL ... - Read More

Breakthrough in flexible electronics enabled by inorganic-based laser lift-off

A research team led by Prof Keon Jae Lee of KAIST provides an easier methodology to realize high performance flexible electronics by using the Inorganic based Laser Lift off ILLO which enables nanoscale processes for ... - Read More

Researchers find way to turn sawdust into gasoline

Researchers at KU Leuven's Centre for Surface Chemistry and Catalysis have successfully converted sawdust into building blocks for gasoline Using a new chemical process they were able to convert the cellulose in sawdust into hydrocarbon ... - Read More

Researchers Characterize a Protein Mutation That Alters Tissue Development in Males Before Birth

molecular struts and girders that function in support of an angular DNA bending surface ” Racca explained “Just as the flying buttresses of Gothic cathedrals ensure their structural stability the aromatic buttress of SRY is ... - Read More

New Plastic that Disappears When You Want It To

Released 24 Nov 2014 5 00 PM ESTSource Newsroom North Dakota State University more news from this source Contact Information Available for logged in reporters only Citations Angewandte Chemie DOI 10.1002 anie.201408492Nov 26 2014 Plastic ... - Read More

Scientists Get to the Heart of Fool's Gold as a Solar Material

could be 1 000 times thinner than silicon and still efficiently absorb sunlight Like silicon iron and sulfur are common elements in the Earth's crust so solar cells made of iron pyrite could have a ... - Read More

Esther Conwell, Pioneering Professor of Chemistry, Dead at 92

herself a National Medal of Science winner “Dr Esther Conwell has had an extraordinarily productive career as a scientist and has greatly influenced electronic device design and performance…” wrote Dresselhaus in her letter of nomination ... - Read More

Space: The Final Frontier in Silicon Chemistry

Released 7 Nov 2014 10 00 AM ESTEmbargo expired 11 Nov 2014 11 00 AM ESTSource Newsroom American Institute of Physics AIP more news from this source Contact Information Available for logged in reporters only ... - Read More

On the Trail of Proteins: Scientists electrochemically detect protein binding on semiconductors

Scientists from Heidelberg University in collaboration with researchers from the University of Gießen have succeeded in electrochemically detecting protein binding on semiconductor materials for the first time thanks to a newly developed investigative method based ... - Read More

'Rewriting' the Way to Make Natural Drug Compounds

how to write and rewrite genetic code to produce these compounds for us ” The compound the researchers synthesized was discovered at Wyeth Pharmaceuticals now part of Pfizer Inc in collaboration with another U College ... - Read More

Groundwater patches play important role in forest health, water quality

Even during summer dry spells some isolated patches of soil in forested watersheds remain waterlogged These patches act as hot spots of microbial activity that remove nitrogen from groundwater and return it to the atmosphere ... - Read More
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