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Twin study identifies factors associated with skin aging

Medicine & Health / Research

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

Smoking, being heavier, not using sunscreen and having had skin cancer appear to be associated with sun damage and aging of skin on the face, according to report based on a study of twins in the December issue of Archives of ...


A New Method of Estimating Stellar Distances

A New Method of Estimating Stellar Distances

Space & Earth / Astronomy

created Dec 21, 2009 | popularity 4.4 / 5 (14) | comments 2

(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...


Keck Telescopes Take Deeper Look at Planetary Nurseries

Keck Telescopes Take Deeper Look at Planetary Nurseries

Space & Earth / Astronomy

created Dec 23, 2009 | popularity 4.7 / 5 (10) | comments 2

(PhysOrg.com) -- Astronomers using the W. M. Keck Observatory have peered far into a young planetary system, giving an unprecedented view of dust and gas that might eventually form planets similar to Jupiter, ...


Sun and moon trigger deep tremors on San Andreas Fault

Space & Earth / Earth Sciences

created Dec 23, 2009 | popularity 4 / 5 (4) | comments 1

The faint tug of the sun and moon on the San Andreas Fault stimulates tremors deep underground, suggesting that the rock 15 miles below is lubricated with highly pressurized water that allows the rock to slip with little ...


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 ...


As shuttle's career nears an end, NASA turns focus to satellites

Space & Earth / Space Exploration

created Dec 26, 2009 | popularity 4.3 / 5 (7) | comments 0

NASA heads into 2010 with the bittersweet assignment of retiring the space shuttle after nearly three decades. But that's not all the agency has planned: There are also launches of three new satellites aimed at better understanding ...


Smashing trash with solar power

Technology / Energy

created Dec 21, 2009 | popularity 3.7 / 5 (3) | comments 1

They seem to turn heads wherever they're installed: new solar-powered trash compactors that are meant to save time and energy.


Final launch of Ariane 5 GS completes busy year

Final launch of Ariane 5 GS completes busy year

Space & Earth / Space Exploration

created Dec 21, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Last week, an Ariane 5 GS launcher lifted off from Europe’s Spaceport in French Guiana on a journey to place the French military reconnaissance satellite Helios-2B into Sun-synchronous polar ...


The COROT satellite

Astronomers discover 'tilted planets'

Space & Earth / Astronomy

created Dec 22, 2009 | popularity 4.6 / 5 (15) | comments 3

(PhysOrg.com) -- University of Exeter, UK, research has added to a growing evidence that several giant planets have orbits so tilted that their orbits can be perpendicular or even backwards relative to their ...


Heart transplant patients appear to have elevated risk for multiple skin cancers

Medicine & Health / Cancer

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

Many heart transplant patients develop multiple skin cancers, with increased risk for some skin cancers among patients with other cancers and with increasing age, according to a report in the December issue of Archives of ...


Critical protein helps mend damaged DNA

Medicine & Health / Cancer

created Dec 24, 2009 | popularity 4.3 / 5 (4) | comments 0

In order to preserve our DNA, cells have developed an intricate system for monitoring and repairing DNA damage. Yet precisely how the initial damage signal is converted into a repair response remains unclear. Researchers ...


Shallow Origins

Shallow Origins

Space & Earth / Earth Sciences

created Dec 22, 2009 | popularity 4.9 / 5 (13) | comments 2

In finding answers to the mystery of the origin of life, scientists may not have to dig too deep. New research is shedding light on shallower waters as a possible location for where life on Earth began.


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 ...


Kew botanists discover more than 250 new plant species in 250th anniversary year

Biology / Plants & Animals

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

Giant rainforest trees, rare and beautiful orchids, spectacular palms, minute fungi, wild coffees and an ancient aquatic plant are among more than 250 new plant and fungi species discovered and described by botanists from ...