When Bonnie J. Rough receives the test results that confirm she is a carrier of the genetic condition hypohidrotic ectodermal dysplasia, or H.E.D., it propels h

A tiny mutation on the X chromosome can shape a family’s history. Passed down from a “carrier” parent to a child, fragile X syndrome is the most common in

Their love was meant to be. When Megan Rosenberg moves to Ireland, everything in her life seems to fall into place. After growing up in America, she's surprised

Erasmus Levine has a job like no other. He travels with the President of the United States at all times, and holds in his hands the power to obliterate life as

The nuclear-powered aircraft carrier is naval history’s most powerful and versatile warship. It is the reason the U.S. Navy is the predominant force at sea to