Tattoos are forever, right? Well, maybe not like we once thought. You can get them removed (though laser tattoo removal is nothing to scoff at), get an ephemeral tattoo that fades in a few years, or ...

If temporary tattoos and electrodes that go on your skin during medical tests were combined, they might look something like ...

Nearly everybody I know has at least one tattoo except me. But I am apparently not the only person without ink, because a day does not go by where my inbox does not host at least one press email ...