On the Air: June 24, 2018

The colorful dwarf hawkfish has a colorful life story. Found on coral reefs from Australia to Japan, it lives in harems -- one large male with an entourage of several females. If the male gets greedy, though, things can change. One of the females can become a male and take half of the harem. And researchers recently found that if the new male is challenged by another male, he can change back to a female.

The hawkfish isn’t the only fish that can change sex. In fact, it’s a fairly common trait, especially among fish that live on reefs.

In Print: June 1, 2018

One of the most effective treatments for a venomous bite or sting in humans is anti-venom, which is manufactured from the venom itself. But what if a creature’s venom changes over time? That’s exactly what scientists recently found in the starlet sea anemone, and it raises important questions about the way humans use venom, especially in medicine.