On April 8, a swath of North America will be treated to a rare and spectacular sight — a total solar eclipse; in some places, the first in more than a century, and the last for at least another 20 years. The path of totality, where it’s possible to see the moon completely block out the sun, stretches in a narrow ribbon from Mexico, through Texas, all the way to Maine. It’s an event that eclipse fanatics have been looking forward to for years. On this special episode from The Pulse, we find out why so many people call total solar eclipses a life-changing experience, what scientists are hoping to learn during this fleeting opportunity, and we pay tribute to the celestial body that makes this whole spectacle of nature possible: the moon!