Why Do We Still Hold Hands?

It's a question that has puzzled anthropologists, sociologists, and our mothers for centuries: why do we still hold hands in public? Is it a leftover from a bygone era when humans were still trying to grasp onto something, anything, for dear life?

Or is it a desperate attempt to compensate for the lack of meaningful human connection in this digital age?

We may never know the truth, but one thing is certain: holding hands is still a great way to distract our significant others from our crushing existential dread while we scroll through our social media feeds.

Learn more about the evolution of hand-holding in our latest series: "The Hands That Bind, the Fingers That Flee."

But what about hand-holding in space? Is it even possible? We investigate.