Jim Murphy

Presents a few of the weird and wonderful contraptions dreamed up by eager inventors over the last 200 years.

"Drawing on Arnold's surviving writings and on the letters, memoirs, and political documents of his contemporaries ... a fascinating portrait of a brilliant man, consistently undervalued by his peers, who made a choice that continues to reverberate through American history."

Learn how George Washington's crossing of the Delaware River helped save the American revolution.

"In 1944 a groundbreaking operation repaired the congenital heart defect known as blue baby syndrome. The operation's success brought the surgeon Alfred Blalock international fame and paved the way for open-heart surgery. But the technique had been painstakingly developed by Vivien Thomas, Blalocks African American lab assistant, who stood behind Blalock in the operating room to give him step-by-step instructions. The stories of this medical and social...

This is the story of a killer that has been stalking and doing away with people for thousands of years: Tuberculosis. For centuries, TB in many forms was treated with everything from poultices and potions to the king's touch. The microorganism that causes the disease was eventually identified, more effective treatments were developed, and the cure for TB was thought to be within reach. But the TB germ simply will not die; drug-resistant varieties...