What If Humans Were Cold-blooded Creatures?

Human beings are warm-blooded mammals. It's a fact of basic science. But, what if they weren't? How would our lives be different if we were actually cold-blooded? In this video, Unveiled discovers how our bodies would change for a cold-blooded lifestyle, the dangers we'd face but also the surprising benefits we'd suddenly enjoy. Scientifically speaking, it's about more than just an advanced race of hyper-intelligent lizard people... What do you think would happen if humans were cold-blooded? read more...