News articles tagged with 'pigment' (Page 5)
Synchrotron light unveils oil in ancient Buddhist paintings from Bamiyan
— 22 Apr 2008 16:27 | TechnologyThe world was in shock when in 2001 the Talibans destroyed two ancient colossal Buddha statues in the Afghan region of Bamiyan. Behind those statues, there are caves decorated with…
Researchers visualise complex pigment mixtures in living cells
— 5 Mar 2008 03:02 | BiologyIn a technical advance that could allow researchers to watch cells as they act during the process of photosynthesis, scientists have developed a method that extends the power of fluorescence-mediated…
Greener extraction of one of nature's whitest minerals
— 11 Feb 2008 12:20 | ChemistryFrom medicine to make-up, plastics to paper - hardly a day goes by when we don't use titanium dioxide. Now researchers at the University of Leeds have developed a simpler, cheaper and…
Pigmentation in butterfly wings
— 16 Jan 2008 20:33 | BiologyNowhere in nature is there so much beautiful colour as on the wings of butterflies. Scientists, however, are still baffled about exactly how these colours are created. Marco Giraldo…
At least one percent of Neanderthals were redheads
— 25 Oct 2007 21:51 | Geology and palaeontologyAncient DNA retrieved from the bones of two Neanderthals suggests that at least some of them had red hair and pale skin, scientists report this week in the journal Science. The international…
Researchers find earliest evidence for modern human behaviour in South Africa
— 17 Oct 2007 17:05 | Geology and palaeontologyEvidence of early humans living on the coast in South Africa, harvesting food from the sea, employing complex bladelet tools and using red pigments in symbolic behaviour 164,000 years…
New research into plant colours sheds light on antioxidants
— 3 Oct 2007 03:35 | BiologyScientists have made an important advance in understanding the genetic processes that give flowers, leaves and plants their bright colours. The knowledge could lead to a range of benefits,…