Log-in to bookmark & organize content - it's free! Professor Vernon Burton argues for "The South" to be studied as a distinctive region of the United States Geographers organize areas of the earth ...

Metastatic cancer occurs when cancer spreads from its original site of origin to a distant location in the body. When cancer metastasizes to a different organ, it retains similar features and ...

Using anew method called Net-CAGE, researchers identified as many as 20,000 new enhancers in humans. They found that while promoters are activated in a variety of cell types, enhancers tend to ...