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Warming most evident at high latitudes, but greatest impact will be in tropics
The impact of global warming has become obvious in high latitude regions, including Alaska, Siberia and the Arctic, where melting ice and softening tundra are causing profound changes. view more (2005-08-15)
Scripps research team sheds light on long-sought cold sensation gene
The discovery, reported in the May 3 issue of the journal Neuron, might one day lead to the development of drugs that induce cold sensation as an analgesic, or block it to prevent certain forms of chronic pain associated with cold sensation. view more (2007-05-03)
Heat therapy for cancer may be key to 'Lance Armstrong Effect'
Experts at Johns Hopkins have linked scientific evidence spanning more than 30 years to suggest an explanation for why testicular cancer patients like seven-time Tour de France winner Lance Armstrong survive far better than patients with other advanced cancers. view more (2006-07-26)
New iron-based and copper-oxide high-temperature
In the initial studies of a new class of high-temperature superconductors discovered earlier this year, research at the Commerce Department's National Institute of Standards and Technology (NIST) has revealed that new iron-based superconductors share similar unusual magnetic properties with previously known superconducting copper-oxide materials. view more (2008-05-29)
New superconductors present new mysteries, possibilities
Johns Hopkins University researchers and colleagues in China have unlocked some of the secrets of newly discovered iron-based high-temperature superconductors, research that could result in the design of better superconductors for use in industry, medicine, transportation and energy generation. view more (2008-06-05)
Quantized heat conduction by photons observed
In a recent experiment, to be published in Nature on November 9, Dr Matthias Meschke and professor Jukka Pekola, together with Dr Wiebke Guichard, a coworker from French CNRS, investigated heat exchange between two small pieces of normal metal, connected to each other only via superconducting leads. The results demonstrate that at very low... view more... (2006-11-10)
Climate change causes extreme changes to Antarctic Lakes
Results from a 20-year study reveal dramatic ecological changes to lakes in Antarctica caused by a 1°C temperature increase. The findings, reported this week in SCIENCE, are yet more evidence of extreme changes in the Antarctic Peninsula region. This area has experienced some of the most rapid warming of anywhere on Earth in the past 50 years... view more... (2002-01-21)
A Penn physics study: Of traffic jams, beach sands and the zero-temperature jamming transition
Researchers in condensed matter physics at the University of Pennsylvania and the University of Chicago have created an experimental and computer model to study how jamming, the physical process in which collections of particles are crammed together to behave as solids, might affect the behavior of systems in which thermal motion is important,... view more... (2009-05-14)
Quantum hall effect observed at room temperature
Using the highest magnetic fields in the world, an international team of researchers has observed the quantum Hall effect - a much studied phenomenon of the quantum world - at room temperature. view more (2007-02-16)
A Warm South Pole? Yes, on Neptune!
An international team of astronomers using ESO's Very Large Telescope has discovered that the south pole of Neptune is much hotter than the rest of the planet. This is consistent with the fact that it is late southern summer and this region has been in sunlight for about 40 years. view more (2007-09-19)
Batch control makes chemical reactions easier to manage
Two Dutch researchers have developed a method for managing so-called batch productions. During a batch production, substances react in a reactor vessel according to a certain recipe to produce an end product. After the reaction the reactor is emptied and a new reaction with the same recipe is started. Chemist Eric van Sprang and chemical engineer... view more... (2004-04-13)
Breakthrough for the computer of tomorrow?
For the first time a material now exists that is not only a semiconductor but also exhibits exploitable magnetic properties at room temperature. Researchers at the Royal Institute of Technology (KTH) in Stockholm, Sweden, have taken the lead in an international race to find the technology of tomorrow. Today's computers process information using... view more... (2003-09-25)
Electron pairs precede high-temperature superconductivity
Like astronomers tweaking images to gain a more detailed glimpse of distant stars, physicists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have found ways to sharpen images of the energy spectra in high-temperature superconductors - materials that carry electrical current effortlessly when cooled below a certain... view more... (2008-11-06)
Changing thermal conductivity to improve the performance of Silicon Nitride components
Silicon nitride ceramics are important engineering materials due to their excellent properties such as fracture toughness, wear resistance and high temperature strength. view more (2006-01-17)
2007 was tied as Earth's second warmest year
Climatologists at the NASA Goddard Institute for Space Studies (GISS) in New York City have found that 2007 tied with 1998 for Earth's second warmest year in a century. view more (2008-01-17)
The dance of crystal structures
The word "crystal" is a technical term; iron and steel, for example, are crystals whereas glass is not. In fact, "crystal" means materials of a crystalline structure. view more (2004-11-10)
Physicists set 'speed limit' for future superconducting magnet
A research team led by a Northwestern University physicist has identified a high-temperature superconductor — Bi-2212, a compound containing bismuth — as a material that might be suitable for the new wires needed to one day build the most powerful superconducting magnet in the world, a 30 Tesla magnet. view more (2007-02-12)
A fly's tiny brain may hold huge human benefits
Before swatting at one of those pesky flies that come out as the days lengthen and the temperature rises, one should probably think twice. view more (2008-03-25)
Seals protect brain, conserve oxygen by turning off shivering response on icy dives
Seals shiver when exposed to cold air but not when diving in chilly water, a finding that researchers believe allows the diving seal to conserve oxygen and minimize brain damage that could result from long dives. view more (2006-10-10)
New geothermal heat extraction process to deliver clean power generation
A new method for capturing significantly more heat from low-temperature geothermal resources holds promise for generating virtually pollution-free electrical energy. Scientists at the Department of Energy's Pacific Northwest National Laboratory will determine if their innovative approach can safely and economically extract and convert heat from... view more... (2009-07-17)
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