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(PhysOrg.com) -- One of the laws of nature may vary across the Universe, according to a study published today in the journal Physical Review Letters.

(PhysOrg.com) -- In this 100th anniversary year of the discovery of superconductivity, physicists at the University of Massachusetts Amherst and Sweden’s Royal Institute of Technology have published a fully self-consistent theory of the new kind of superconducting behavior, Type 1.5, this month in the journal Physical Review B.

(PhysOrg.com) -- How does a microscopic particle behave in a liquid?

Sewage. We know it's filled with germs that can make us sick, which is why we try to keep it far away from food and water supplies

A team of researchers from the Universitat Politecnica de Valencia's iTEAM in Spain has created the first, tunable broadband radio frequency (RF) photonic phase shifter.

(PhysOrg.com) -- Theoretical physicists of the University of Innsbruck have formulated a new concept to engineer exotic, so-called topological states of matter in quantum mechanical many-body systems.

For the first time, a team of French physicists, supported by CNES and ESA, has succeeded in developing a vibration-resistant cold atom accelerometer. Tested in parabolic flight, this prototype was able to measure infinitesimal accelerations, which until now was only possible in the laboratory. This could pave the way for the development of portable cold atom accelerometers and thus improved positioning and geological prospecting systems

(PhysOrg.com) -- The physicists of the University of Innsbruck and the Institute for Quantum Optics and Quantum Information (IQOQI) in Innsbruck have come considerably closer to their goal to investigate complex phenomena in a model system: They have realized a digital, and therefore, universal quantum simulator in their laboratory, which can, in principle, simulate any physical system efficiently. Their work has been published in the online issue of the journal Science.

Historians have speculated for years that global environmental changes caused some ancient wars to erupt, or even societies to collapse. Such connections may still exist--because new research finds that the risk of civil war in tropical countries increases during hot, dry El Nino years as opposed to cooler La Nina periods. The study is in the journal Nature .

Rivers today have high muddy banks, sandbars and bends. But they didn’t always look that way

When a healthy rat smells a cat, it flees. But rats infected with the Toxoplasma brain parasite actually follow cat odors, often presumably to their doom, red in tooth and claw.

Impressive results from experiments at Diamond Light Source on magnetic lensless imaging by Fourier transform holography using extended references have been published today in Optics Express, the journal of the Optical Society of America.

By David Fogarty SINGAPORE (Reuters) - Atmospheric levels of methane, 20 times more powerful than carbon dioxide (CO2) at trapping heat, stayed steady for two decades to 2006 on wider fertilizer use to grow rice or a surge in natural gas demand, according to two separate studies in the journal Nature. [More]

Researchers in Sweden have succeeded in delivering an optical amplifier capable of amplifying light with extremely low noise. The study is published in the journal Nature Photonics.

Take a hot bath, you’ll fee better. Not only does warm water soothe us, it can combat loneliness. According to research published in the journal Emotion .