On the Air: April 28, 2024

Now playing in the southwestern Pacific Ocean: Sharkcano—an underwater volcano filled with sharks.

Officially, the volcano is Kavachi. It’s named for a fire god of a nearby culture. Its base is about three-quarters of a mile deep.

Kavachi is one of the most active volcanoes on the planet—there’s almost always a little something going on. Its first recorded eruption came in 1939. Since then, it’s erupted at least eight more times, including a long-lasting one from late 2022 into ’23.

In Print: May 1, 2024

As women enter middle age, their bodies gradually stop menstruating until they hit menopause, when they can no longer bear children. But humans aren’t the only mammals to experience menopause. In fact, five species of toothed whales go through “the change” as well—and it seems to be related to longevity.