2+ hour, 43+ min ago   (500+ words) 200 years before swiping and Instagram-ready weddings, the "deadly serious institution" of American marriage had more to do with property, race and religion than love, says historian David Henkin. On the first day of his seminar on the history of love,…...

8+ mon, 4+ week ago   (554+ words) A newborn boy, KJ, was diagnosed at birth with a rare and potentially fatal genetic disease. He received a novel, on-demand CRISPR therapy in record time. Courtesy of the Children's Hospital of Philadelphia In a medical first, doctors raced to…...