A shark being cleaned by smaller fish

Where the Small Fish Clean the Bigger Ones

A "cleaner station" is a sort of undersea business, a place where large, often predatory, fish go to have parasites removed.
A shameful looking dog in a pig costume

Does My Dog Really Feel Shame?

A Curious Reader asks: When my dog gets that “hang dog” expression after I scold her for misbehavior, is she really ashamed?
Dolphins in captivity

The Ethics of Research on Captive Dolphins

Researchers say that dolphins are so smart that captivity causes them psychological harm. But getting data in the open ocean can be tricky.
Wild rice

Wild Rice’s Refusal to Be Domesticated

The reality of wild rice defeated the best efforts of Europeans to domesticate it.
A pair of humpback whales

The Cultural Differences in Humpback Whale Songs

One group of researchers found distinct differences among songs from groups of humpback whales that are geographically isolated from each other.
The Goldfinch by Carel Fabritius, 1654

The Rise and Fall of the Pet Bird

Pet birds were considered ideal role models for middle-class life.
A variety of beetles mounted on a board

The Race to Name New Species

Habitats are being destroyed so rapidly that species can go extinct before they are even named.
Several beers in a row

Did Humans Once Live by Beer Alone? An Oktoberfest Tale

Some scholars have suggested that humans first started growing domesticated grains in order to make not bread, but beer.
Antechinus stuartii

Death and Mating

Semelparous organisms reproduce exactly once in a lifetime.
A banana on a pink surface

The Beloved, Bedeviled Banana

The Cavendish banana is currently threatened by a fungal disease. A similar disease all but wiped out its predecessor, the Gros Michel banana.