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News articles about "Oxygen"

Late Cretaceous Period was likely ice-free

Ice
For years scientists have thought that a continental ice sheet formed during the Late Cretaceous Period more than 90 million years ago when the climate was much warmer than it is today Now a University ... - Read More

Non-precious metal catalysts outperforming Pt-based one

Catalysts
Researchers from Ulsan National Institute of Science and Technology UNIST Korea Institute of Energy Research KIER and Brookhaven National Laboratory have discovered a new family of non precious metal catalysts These catalysts exhibit better performance ... - Read More

Photosynthesis mechanism: Tofu-like crystalline catalysts for producing clean energy

Catalysts, Photosynthesis
Research by Professor Jian Ren Shen at Okayama University demystifies the reaction mechanisms of photosynthesis and the findings may lead to the development of methods for producing an unlimited source of clean energy Professor Jian ... - Read More

Toxic methylmercury-producing microbes more widespread than realized

Mercury
Microbes that live in rice paddies northern peat bogs and other previously unexpected environments are among the bacteria that can generate highly toxic methylmercury researchers at Oak Ridge National Laboratory and the Smithsonian Environmental Research ... - Read More

Unexpected interaction between ocean currents and bacteria may weaken ocean's ability to absorb carbon dioxide

Ocean, Ocean
For the first time researchers have successfully demonstrated an interaction between ocean currents and bacteria The unexpected interaction leads to the production of vast amounts of nitrogen gas in the Pacific Ocean This takes place ... - Read More

Pea-shooter for molecules: Molecules pass through nanotubes at size-dependent speeds

molecules
Like a pea going through a straw tiny molecules can pass through microscopic cylinders known as nanotubes This could potentially be used to select molecules according to size for example to purify water by allowing ... - Read More

Century old chemistry problem solved: Foundational reaction on stubborn chemicals may improve drug synthesis

Chemists at The Scripps Research Institute TSRI have found a way to apply a foundational reaction of organic chemistry to a stubborn class of chemicals in a transformation that has been thought impossible for a ... - Read More

Probing methane's secrets: From diamonds to Neptune

Neptune
Hydrocarbons from Earth make up the oil and gas that heat our homes and fuel our cars The study of the various phases of molecules formed from carbon and hydrogen under high pressures and temperatures ... - Read More

General in the Solar Army to High School and College Students: 'We Are Recruiting'

High school and college students got a recruiting call today to join the Solar Army and help solve one of the 21st century's greatest scientific challenges finding the dirt cheap ingredients that would make sunlight ... - Read More

How the newest diesel engines emit very little greenhouse gas nitrous oxide

Gas
The newest catalytic converters in diesel engines blast away a pollutant from combustion with the help of ammonia Common in European cars the engines exhaust harmless nitrogen and water How they do this hasn't been ... - Read More

Edible Coatings for Ready-to-Eat Fresh Fruits and Vegetables

refrigerated packaged apple slices that last 2 3 weeks without turning brown or losing crispness Apples ordinarily begin to turn brown within 30 minutes after cutting or peeling Pavlath’s process involves treating freshly cut apple ... - Read More

Indy 500 Race Cars Showcase Green Fuels

Mention cars that get barely 3 miles to a gallon and are built for speed rather than cleanliness and images of gas guzzling pollution belching environmental menaces burning leaded gasoline or nitro may spring to ... - Read More

Climate change will upset vital ocean chemical cycles

Ocean, Climate change, Climate change, Climate, Ocean, climate
New research from the University of East Anglia shows that rising ocean temperatures will upset natural cycles of carbon dioxide nitrogen and phosphorus Plankton plays an important role in the ocean's carbon cycle by removing ... - Read More

Solar cell performance improves with ion-conducting polymer

Polymer
Researchers at Stockholm's KTH Royal Institute of Technology have found a way to make dye sensitized solar cells more energy efficient and longer lasting Drawing their inspiration from photosynthesis dye sensitized solar cells offer the ... - Read More

New low-temperature chemical reaction explained

Temperature, Reaction, Reaction, temperature
In all the centuries that humans have studied chemical reactions just 36 basic types of reactions have been found Now thanks to the work of researchers at MIT and the University of Minnesota a 37th ... - Read More

Researchers Find Promising New Angle for Drugs to Prevent Stroke and Heart Attack

a side effect that is particularly troublesome when these drugs are used to prevent thrombosis in people undergoing heart surgery “There’s still room for improvement in terms of making an ideal drug that can block ... - Read More

A completely new atomic crystal dynamic of the white pigment titanium dioxide discovered

Atomic, Crystal
An international team of researchers at Vienna University of Technology in Austria and at Princeton University in the USA has confirmed theoretically predicted interactions between single oxygen molecules and crystalline titanium dioxide The results which ... - Read More

Producing hydrogen from water with carbon/charcoal powder

Carbon, carbon
In the latest advance in efforts to find an inexpensive way to make hydrogen from ordinary water one of the keys to the much discussed hydrogen economy scientists are reporting that powder from high grade ... - Read More

Oxygen 'sponge' presents path to better catalysts, energy materials

Catalysts
Scientists at the Department of Energy's Oak Ridge National Laboratory have developed a new oxygen sponge that can easily absorb or shed oxygen atoms at low temperatures Materials with these novel characteristics would be useful ... - Read More

Combination of two imaging techniques allows new insights into brain function

The ability to measure brain functions non invasively is important both for clinical diagnoses and research in Neurology and Psychology Two main imaging techniques are used positron emission tomography PET which reveals metabolic processes in ... - Read More
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