Quantcast

Latest Photobiology Stories

2d2f882af9030c78a727e49ad249ac0b1
2010-07-22 06:30:00

In a new Spanish study, researchers are warning that taking shade under a beach umbrella may offer far less protection from harmful ultraviolet radiation from the sun than you might expect. Beach umbrellas let as much as 34 percent of ultraviolet radiation penetrate through to the ground, the researchers, from the University of Valencia, found. Ultraviolet radiation is known to cause skin cancer and cataracts. Umbrellas catch almost all of the direct light rays but not the diffused...

02e109ec1d4a18f192c1f185dbfbbb8a1
2009-01-29 08:58:56

UV light-enhanced tooth bleaching is not only a con, but is dangerous to your eyes and skin, says a Royal Society of Chemistry journal. The light treatment gives absolutely no benefit over bleaching without UV, and damages skin and eyes up to four times as much as sunbathing, reports a study in Photochemical & Photobiological Sciences. Those looking to match Tom Cruise's glittering pearly-whites would be better off ignoring claims of better bleaching with UV light treatment. The treatment...


Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'