June 16, 2011

Cancer Genomics Points to New Approach

The Pediatric Brain Tumor Foundation Institute at Duke kicked off its new annual lecture June 15 in the biggest way imaginable: Bert Vogelstein,  a Howard Hughes Medical Institute investigator at Johns Hopkins University, is simply the most-cited scientist in the world. (That's a measure of how much other scientists refer to his work in their own papers.)

December 17, 2010

Sidewalks of skin cancer

New, high resolution images suggest that the location and amount of skin pigments could tell pathologists whether a mole has turned cancerous.

Skin cells contain two kinds of pigments or melanins: pheomelanin, which is reddish or yellow, and eumelanin, which is dark and brownish.

November 2, 2010

Lasers in focus

Definitions don’t seem to come easy to scientists. Consider Pluto’s planethood, or the question of what constitutes life. More recently, the definition debate has even stymied how to describe a laser.