We break down the science of survival behind real-life Do or Die scenarios. Imagine you're standing on a frozen lake and the ice breaks, sending you plunging into the frigid waters. With seconds to make the right move, could you survive this chilling death trap? A dozen dogs suddenly surround you on a remote road. Do you run or stand your ground? A motorboat ride turns into a life-and-death struggle when the boat starts taking on water and slams against a barge. Do you dare make a swim for it?