Inner peace isn’t catching up on a new original series (a Making a Murderer marathon isn’t exactly what your spouse meant by “Netflix and chill”), and it’s not killing yourself on the elliptical machine. Nope, the scientifically backed way to become more mindful, more relaxed, and more engaged is to start practicing meditation. The Beatles did it. The Dude does it. Even Jerry Seinfeld went from “a show about nothing” to thinking about nothing. Mario…