New analytical methods show for the first time how the permeable sandy sediment at the bottom of the North Sea is supplied with oxygen and which factors determine the exchange Because the metabolic rate is ... - Read More
In a design that mimics a hard to duplicate texture of starfish shells University of Michigan engineers have made rounded crystals that have no facets We call them nanolobes They look like little hot air ... - Read More
An emerging class of electrically conductive plastics called radical polymers may bring low cost transparent solar cells flexible and lightweight batteries and ultrathin antistatic coatings for consumer electronics and aircraft Researchers have established the solid ... - Read More
Ammonites are a group of extinct cephalopod mollusks with ribbed spiral shells They are exceptionally diverse and well known to fossil lovers Régis Chirat researcher at the Laboratoire de Géologie de Lyon Terre Planètes et ... - Read More
Researchers from the University of Alabama in Huntsville and the University of Oklahoma have found a new way to control the properties of quantum dots those tiny chunks of semiconductor material that glow different colors ... - Read More
Artificial membranes mimicking those found in living organisms have many potential applications ranging from detecting bacterial contaminants in food to toxic pollution in the environment to dangerous diseases in people Now a group of scientists ... - Read More
One of the most important molecules on earth calcium carbonate crystallizes into chalk shells and minerals the world over In a study led by the Department of Energy's Pacific Northwest National Laboratory researchers used a ... - Read More
or ACC which could be liquid or solid might also be a reservoir for sprouting minerals To find out the team created a miniature lab under a transmission electron microscope at the Molecular Foundry a ... - Read More
Using ultra short X ray flashes an international team of researchers watched electrons jumping between the fragments of exploding molecules The study reveals up to what distance a charge transfer between the two molecular fragments ... - Read More
For decades climate scientists have tried to explain why ice age cycles became longer and more intense about 900 000 years ago switching from 41 000 year cycles to 100 000 year cycles In a ... - Read More
Scientists at the University of York are playing a key role in the quest for a better understanding of how a recently discovered family of enzymes can degrade hard to digest biomass into its constituent ... - Read More
Some 56 million years ago a massive pulse of carbon dioxide into the atmosphere sent global temperatures soaring In the oceans carbonate sediments dissolved some organisms went extinct and others evolved Scientists have long suspected ... - Read More
Researchers from the University of Jyväskylä report a new method of building molecular cages The method involves the exploitation of intermolecular steric effects to control the outcome of a self assembly reaction Molecular cages are ... - Read More
Photocatalysis catalysis assisted by light is a promising route to convert solar energy into chemical fuels Particularly appealing is the possibility to use photocatalysis to split water molecules into molecular hydrogen Although photocatalysis has been ... - Read More
A new study uses carbon isotope dating to determine the first precise age for this bed and ties the western coast of Africa to 30 million years of global geologic records Paleontologists at Southern Methodist ... - Read More
For years scientists have had an itch they couldn't scratch Even with the best microscopes and spectrometers it's been difficult to study and identify molecules at the so called mesoscale a region of matter that ... - Read More
Rice University scientists have designed a tunable virus that works like a safe deposit box It takes two keys to open it and release its therapeutic cargo The Rice lab of bioengineer Junghae Suh has ... - Read More
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
Parts of ancient Antarctica were as warm as today's California coast and polar regions of the southern Pacific Ocean registered 21st century Florida heat according to scientists using a new way to measure past temperatures ... - Read More
Symmetry is ubiquitous in the natural world It occurs in gemstones and snowflakes and even in biology an area typically associated with complexity and diversity There are striking examples the shapes of virus particles such ... - Read More
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