What if someone told you that right now there are trillions of fellow Earthlings hiding, crawling, and buzzing directly in front of you, under you, in you, on you—but you can’t see them.

And what if—indulge me here—all of a sudden, you could?

What if, popping into view in the strangest places, you could suddenly see moving, dancing, spinning creatures where you’d never seen them before? You look in a bucket of water—there they are. You look in a pond, in a puddle, on your skin, even at the plaque between your teeth, and they’re there too—in different shapes, with different moves, but uncannily, unmistakably alive. You don’t know what to call them, but you’re the first Earthling ever to see what