In 2000 the United States began accepting 3,800 refugees from one of Africa's longest civil wars. They were just some of the thousands of young men, known as "Lost Boys," who had been orphaned or otherwise separated from their families in the chaos of a brutal conflict that has ravaged Sudan since 1983. The Lost Boys of Sudan focuses on four of these refugees. Theirs, however, is a typical story, one that repeated itself wherever the Lost

Award-winning journalist, physicist, and bestselling author of Endure Alex Hutchinson reveals the little-known and often surprising truths that science has uncovered about exercise, ranging from cardio and weights to competition to weight loss.

There's plenty of conventional wisdom on health and fitness—but how much of it is scientifically sound? The truth is: less than you'd think.

In Which Comes First, Cardio

Nicholas Harris is a professional badass. Ex-Army Ranger, former personal security for the one and only Valentine Roth, mercenary, assassin, pilot, and my lover. After Roth and Kyrie holed up in their island fortress estate in the Caribbean, Nick started a private security contracting company: Alpha One Security. He hired the best of the best, the scariest, nastiest, toughest—and sexiest—security experts in the business.

And