News articles tagged with 'pigmentation'
Molecular switch controls melanin production, may allow true sunless tanning
— 15 Oct 2010 12:11 | HealthDiscovery of a molecular switch that turns off the natural process of skin pigmentation may lead to a novel way of protecting the skin - activating the tanning process without exposure…
Landing lights for bumblebees
— 12 Oct 2010 09:16 | BiologyGardeners could help maintain bumblebee populations by growing plants with red flowers or flowers with stripes along the veins, according to field observations of the common snapdragon,…
New screen offers hope for copper deficiency sufferers
— 17 Aug 2010 09:39 | HealthCopper deficiency diseases can be devastating. Symptoms can range from crippling neurological degeneration in Menkes disease - a classic copper deficiency disease - to brittle bones,…
More than skin deep, tanning product of sun's rays
— 22 Jun 2010 09:32 | HealthPeople who remain pale and never tan can blame their distant ancestors for choosing to live in the northern reaches of the globe and those who easily achieve a deep tan can thank their…
New genes involved in human eye colour identified
— 7 May 2010 11:46 | HealthThree new genetic loci have been identified with involvement in subtle and quantitative variation of human eye colour. The study, led by Manfred Kayser of the Erasmus University Medical…
Colour differences within and between species have common genetic origin
— 26 Oct 2009 16:31 | BiologySpend a little time people-watching at the beach and you're bound to notice differences in the amount, thickness and colour of people's body hair. Then head to the zoo and compare people…
New findings on the formation of body pigment
— 18 Oct 2009 12:13 | HealthThe skin's pigment cells can be formed from completely different cells than has hitherto been thought, a new study from the Swedish medical university Karolinska Institutet shows. The…
East African cichlid fish offer new understanding of genetic basis of sex determination
— 2 Oct 2009 13:28 | BiologyBiologists have genetically mapped the sex chromosomes of several species of cichlid fish from Lake Malawi, East Africa, and identified a mechanism by which new sex chromosomes may…
Skin colour clue to nicotine dependence
— 9 May 2009 15:02 | HealthHigher concentrations of melanin - the colour pigment in skin and hair - may be placing darker pigmented smokers at increased susceptibility to nicotine dependence and tobacco-related…
Researchers reconstruct seashells to model nervous system function
— 10 Apr 2009 13:09 | BiologyThe enchantingly coloured seashells that lend beaches their charm could also provide information about how the brain converts memories and sensory information into action, according…