简介：When a woman's husband disappears during a kayaking trip, everyone assumes that he drowned. When she catches a glimpse of a man who looks exactly like
简介：Across the planet, every animal--predator or prey--has survival advantages honed by millions of years of evolution. Watch some of nature's most accomp
简介：When an unknown disease wipes out most of the world's population, a man with unique blood is isolated for study. Fearing for his wife's safety, he bre
