For millennia, humans have watched animals soar above us, hunt beside us, and burrow below us. We have them in our homes as pets and on our plates as food. But the line between animals and humans might be about to shift.
Some scientists are studying how the human body can copy extraordinary traits expressed by animals in what is called biomimicry. Hank Harlow is the director of the University of Wyoming National Park Service Research Station, and he studies animals living in stressful environments.