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Sunburn alert: UVB does more damage to DNA than UVA
As bombs burst in air this July 4, chances are that sunburn will be the red glare that most folks see - and feel. But unfortunately, even when there is no burn, the effects of the sun's ultraviolet (UV) rays can have deadly consequences.   view more (2008-07-01)

New fruit fly protein illuminates circadian response to light
Researchers at the University of Pennsylvania School of Medicine have identified a new protein required for the circadian response to light in fruit flies.   view more (2006-06-30)

NIST method may help optimize light-emitting semiconductors
Physicists at JILA have demonstrated an ultrafast laser technique for "seeing" once-hidden electronic behavior in semiconductors, which eventually could be useful in more predictable design of optoelectronic devices, including semiconductor lasers and white light-emitting diodes.   view more (2006-02-17)

Optical vortex could look directly at extrasolar planets
A new optical device might allow astronomers to view extrasolar planets directly without the annoying glare of the parent star.   view more (2005-12-01)

UCSB researchers discover the dawn of animal vision
By peering deep into evolutionary history, scientists at the University of California, Santa Barbara have discovered the origins of photosensitivity in animals.   view more (2007-10-17)

Warp drive a no go
Sci-fi experts know that many seemingly impossible technologies materialise years later, but unfortunately this may not to be the case for warp-drive - travelling through space faster than the speed of light. The favourite science fiction theory of space contracting in front of spacecraft, and... view more (2002-03-05)

UV light improving chances of fighting cancer
Scientists at Newcastle University have developed a cancer fighting technology which uses UV light to activate antibodies which very specifically attack tumours.   view more (2007-10-30)

Study sheds new light on link between birth weight, obesity, and childhood growth
Boys who are light at birth, but then grow rapidly during childhood, are more likely to be obese as adults, is just one of the findings from a large study in this week's BMJ. These potentially complex interrelationships may hold the key to effective preventive strategies. Tessa Parsons and... view more (2001-12-05)

People who smoke light cigarettes less likely to quit
People who smoke low-tar and low-nicotine, or "light" cigarettes thinking they will reduce their health risks may actually be less likely to kick the habit.   view more (2006-06-30)

Physics breakthrough much ado about 'nothing'
How do scientists store nothing? It may sound like the beginning of a bad joke, but the answer is causing a stir in the realm of quantum physics after two research teams, including one from the University of Calgary, have independently proven it's possible to store a special kind of vacuum in a... view more (2008-03-06)

Scientists step closer to realising invisible technology
A unique computer model designed by a mathematician at the University of Liverpool has shown that it is possible to make objects, such as aeroplanes and submarines, appear invisible at close range.   view more (2007-05-04)

Accretion Discs Show Their True Colours
Quasars are the brilliant cores of remote galaxies, at the hearts of which lie supermassive black holes that can generate enough power to outshine the Sun a trillion times.   view more (2008-07-25)

Secondhand smoke proves to be no 'joke' on oral health
A study published in this month's issue of the Journal of Periodontology found that subjects with periodontitis who were exposed to secondhand smoke were more likely to develop bone loss, the number one cause of tooth loss.   view more (2007-04-04)

Light-sensitive particles change chemistry at the flick of a switch
A light-sensitive, self-assembled monolayer that provides unique control over particle interactions has been developed by scientists at the University of Illinois at Urbana-Champaign.   view more (2006-03-27)

Scientists find new role for the swastika
Just a month after a call for a European-wide ban of the swastika, scientists have found that the symbol has new applications in optical communications and could have a role in quantum cryptography.   view more (2005-02-23)

Minerals go 'dark' near Earth's core
Minerals crunched by intense pressure near the Earth's core lose much of their ability to conduct infrared light, according to a new study from the Carnegie Institution's Geophysical Laboratory.   view more (2006-05-26)

New phenomenon in physics discovered on illumination of metal surfaces
Scientific research at the Centre of the Physics of Materials, a mixed venture of the Higher Council for Scientific Research (CSIC) and the University of the Basque Country (UPV/EHU) in Donostia-San Sebastian, has enabled the discovery of a new physical phenomenon that affects the surfaces of... view more (2007-07-12)

Funnel in the eye: Signal focusing increases photosensitivity
In poor light the eyes of mice react like some digital cameras: they reduce their resolution while at the same time increasing their sensitivity. Specialists in the retina focus the information of several light sensor cells for this purpose.   view more (2006-11-03)

LSU professor resolves Einstein's twin paradox
Subhash Kak, Delaune Distinguished Professor of Electrical and Computer Engineering at LSU, recently resolved the twin paradox, known as one of the most enduring puzzles of modern-day physics.   view more (2007-02-15)

Overbearing colored light may reveal a second mechanism by which birds interpret magnetic signals
Magnetic orientation is critical to the migratory success of many bird species. By studying the influence of light on the ability of migratory birds to orient to magnetic signals, researchers have found clues to suggest that birds' orientation abilities may be more complex than previously thought.   view more (2005-08-23)

Seeing magnetic fields
It has long been known that migratory birds can make use of the earth's magnetic fields to navigate. Birds read the angle that magnetic fields create on the ground and thereby determine how far north or south they are of the magnetic equator and the magnetic pole. But how do they do this? Is there... view more (2004-02-23)

A New Method For Assessing Neurological Development Of Fetuses? (p 779)
A preliminary study in this week's issue of THE LANCET outlines how light-emitting technology could help in the future assessment of fetal neurological development. There have been only a few studies of visual-evoked response in human fetuses, and all have focused on general changes such as heart... view more (2002-09-04)

Sacred constant might be changing
Physical constants are one of the cornerstones of physics - sacred numbers which we know to be fixed - but what if some of these constants are changing? Speaking at the Institute of Physics conference Physics 2005, Dr Michael Murphy of Cambridge University will discuss the "fine structure... view more (2005-04-05)

Born under the sun: UV light and the origin of life
Early evolution of life as we know it may have depended on DNA's ability to absorb UV light. This insight into the early moments of life on Earth comes from research published today in the journal BMC Evolutionary Biology. The research fills in one of the major gaps in our understanding about the... view more (2003-05-27)

In tiny supercooled clouds, physicists exchange light and matter
Physicists have for the first time stopped and extinguished a light pulse in one part of space and then revived it in a completely separate location.   view more (2007-02-08)
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