How do you figure out what happens before a volcanic eruption? Look for blebs! These snapshots of the past are helping researchers like Alexandra Castillejo understand how magma rises to form an eruption.

When Northeastern student Harry Brodsky went 3,300 meters beneath the surface of the ocean in the deep-sea submarine Alvin, he wasn’t scared of the dark, he didn’t feel claustrophobic, but he was bummed that he couldn’t bring potato chips to snack on.