Human skin begins tanning in seconds, and here's how
Thursday, November 3, 2011 - 12:00
in Biology & Nature
We all know that human skin tans after days spent in the sun. That relatively slow process has known links to ultraviolet (and specifically UVB) exposure, which leads to tanning only after it damages the DNA of skin cells. Now, researchers reporting online on November 3 in Current Biology, a Cell Press publication, have uncovered a much speedier path to pigmentation.