Melanin: Aging of the Skin and Skin Cancer "Ultraviolet (UV) radiation is responsible for 90% of the visible signs of aging on the skin of whites," says Dr. Michael J. Martin, former Assistant Clinical Professor in the Dept. of Epidemiology and Biostatistics at University of California, San Francisco. Blacks' skin, however, ages much slower. Why are most dark-skinned blacks protected from harmful UV rays? Because compared to whites, blacks possess more melanin, the pigment that gives skin its color. Melanin Melanin offers protection against UV rays for blacks and other dark-skinned people. Conversely, fair-sk ... Author: Diana Clarke CLICK HERE TO READ THE REST OF THIS ARTICLE Additional Navigation: Genetics: 1 2 3 4 5 Engineering Diseases Genetic Testing DNA Testing 1 Genomes Gene Therapy 1 RNA 1 Chromosomes Cloning 1 2 3 Misc Stem Cells 1 2

Today's Featured Articles: How to Grow Bamboo Bamboo is a mysterious and elusive plant that baffles taxonomists who try to contain it within a botanical class and gardeners who try to contain it within a limited garden space as they learn how to grow bamboo. For many years, bamboo was thought to be a primitive grass but recent DNA testing has shown it to be one of the most highly evolved forest grasses. There are over 1200 forms of bamboo that grow in a broad spectrum of color including the familiar green and gold as well as burgundy, blue and even black grasses. Some varieties of bamboo can grow up to a foot a day and ultimately reach 13 ... Author: Hans Dekker CLICK HERE TO READ THE REST OF THIS ARTICLE Promethean Hispanic Fire In the Greek tale of creation, a Titan (Greek god) by the name of Epimetheus is given the task of creating living creatures. He screws the job up by giving all the good DNA and survival mechanisms to the animals. When it came time to creating man he had nothing left but soft skin and weak limbs. Desperate, he calls upon his brother Prometheus (which means forethought) to help him out. Prometheus decides to give humans the ability to walk upright and be able to see far away into the distance (like gods). Prometheus then flies to heaven, steals fire from the sun and gives it to mankind. ... Author: Victor Gonzalez CLICK HERE TO READ THE REST OF THIS ARTICLE Want to read more of our articles?  Check out the Archive. Article Archive: Pages 1 2 3 4 5 6 7 8 9 10 11 12 13