DNA doesn’t just sit still inside our cells — it folds, loops, and rearranges in ways that shape how genes behave.

James Dewey Watson, whose co-discovery of the twisted-ladder structure of DNA in 1953 helped launch a revolution in biology and medicine, died Thursday at age 97. He died in hospice care after a brief ...

Estrogen is known as an important hormone, and it can control many functions by regulating the activity of hundreds of genes.