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Genomic toggle switches divide autoimmune diseases into distinct clusters

Medicine & Health / Genetics

created Dec 23, 2009 | popularity not rated yet | comments 0

Genomic switches can predispose an individual to one set of autoimmune disorders but protect the same person against another set of them, scientists at Stanford University School of Medicine have found.


Seeing how evolutionary mechanisms yield biological diversity

Biology / Evolution

created Dec 22, 2009 | popularity not rated yet | comments 0

An international team of scientists has discovered how changes in both gene expression and gene sequence led to the diversity of visual systems in African cichlid fish.


Brown dwarf pair mystifies astronomers

Brown dwarf pair mystifies astronomers

Space & Earth / Astronomy

created Dec 21, 2009 | popularity 4.8 / 5 (16) | comments 0

(PhysOrg.com) -- Two brown dwarf-sized objects orbiting a giant old star show that planets may assemble around stars more quickly and efficiently than anyone thought possible, according to an international ...


People who 'see' numbers have better memories for dates

People who 'see' numbers have better memories for dates

Medicine & Health / Neuroscience

created Dec 15, 2009 | popularity 5 / 5 (6) | comments 3

(PhysOrg.com) -- A new research project has shown that people who perceive numbers visually, and who see sequences of numbers as visual patterns, have better memories for dates and events in the past than ...


Smarter cars are gaining traction

Smarter cars are gaining traction (w/ Video)

Technology / Engineering

created Dec 21, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Lives can depend on a vehicle's moment-by-moment traction. New European technology promises to make cars as good as experienced, alert drivers at sensing and adjusting to wet, snowy or icy ...


Chemistry makes the natural 'wonder fabric' -- wool -- more wonderful

Chemistry makes the natural 'wonder fabric' -- wool -- more wonderful

Nanotechnology / Nanomaterials

created Dec 22, 2009 | popularity 3 / 5 (1) | comments 0

Scientists in China are reporting an advance that may improve the natural wonders of wool — already regarded as the "wonder fabric" for its lightness, softness, warmth even when wet, and other qualities. They ...


Study redefines placebo effect as part of effective treatment

Medicine & Health / Psychology & Psychiatry

created Dec 22, 2009 | popularity not rated yet | comments 0

Researchers used the placebo effect to successfully treat psoriasis patients with one quarter to one half of their usual dose of a widely used steroid medication, according to an early study published online today in the ...


mars surface

Rare Scottish mineral may indicate life on Mars

Space & Earth / Space Exploration

created Dec 10, 2009 | popularity 3.7 / 5 (22) | comments 7

(PhysOrg.com) -- A team of NASA (National Aeronautics and Space Administration) scientists is looking for clues about life on Mars in an earthy clay mineral found only in Aberdeenshire in Scotland.


Beaming in on Warm Dense Matter (w/ Video)

Physics / General Physics

created Dec 17, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- The Neutralized Drift Compression Experiment II (NDCX-II) now under construction at Berkeley Lab will deliver a high-current pulse of lithium ions to a foil target almost simultaneously, momentarily heating ...


Heme channel found

Heme channel found

Biology / Cell & Microbiology

created Dec 17, 2009 | popularity not rated yet | comments 0

In some ways a cell in your body or an organelle in that cell is like an ancient walled town. Life inside either depends critically on the intelligence of the gatekeepers.


Miracle light: Can lasers solve the energy crisis?

Technology / Energy

created Dec 15, 2009 | popularity 4.4 / 5 (14) | comments 4

Next year will mark the 50th birthday of the laser, one of the most productive and widely used mega-inventions of the last century. Scientists hope that 2010 also will see the launch of laser technology's greatest challenge: ...


Maine to consider cell phone cancer warning

Technology / Other

created Dec 21, 2009 | popularity not rated yet | comments 0

(AP) -- A Maine legislator wants to make the state the first to require cell phones to carry warnings that they can cause brain cancer, although there is no consensus among scientists that they do and industry leaders dispute ...


Physicists lay the groundwork for cooler, faster computing

Physics / Optics & Photonics

created Dec 14, 2009 | popularity 4.7 / 5 (25) | comments 5

University of Toronto quantum optics researchers Sajeev John and Xun Ma have discovered new behaviours of light within photonic crystals that could lead to faster optical information processing and compact computers that ...


Nut Roasting Benefits: Antioxidant levels of nuts increases after roasting

Chemistry / Other

created Dec 22, 2009 | popularity not rated yet | comments 0

The chemical reaction that darkens a batch of roasting peanuts also boosts the amount of antioxidants they contain, according to a new study in the journal Food Chemistry.


Rare earth metal enhances phosphate glass

Physics / Condensed Matter

created Dec 15, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- Adding cerium oxide to phosphate glass rather than the commonly used silicate glass may make glasses that block ultraviolet light and have increased radiation damage resistance while remaining colorless, ...