In 1975, New York City is minutes away from bankruptcy when an unlikely alliance of rookies, rivals, fixers and flexers finds common ground, and a way out.
National Geographic explores solitary confinement and the devastating psychological effects of isolation. Some say that the practice helps to control unruly prisoners while others argue that it is tantamount to torture.
The Vikings were the most ferocious warriors of the Middle Ages. Especially fearsome were the select few who wielded a formidable weapon: a light, razor sharp, virtually indestructible sword with its maker's name, ULFBERHT, inlaid along the blade.
