Every other Friday, the Outside/In team here at NHPR answers listener questions about the natural world. Today's question comes from Andy, calling from Dover, New Hampshire. Alejandro Vélez: That is a ...

A green frog rests in the shallow stream of clear water that drains out of my meadow. Credit: PHOTO BY BILL DANIELSON For most people, Memorial Day marks the first day of summer. The official first ...

So, why do frogs sing? One of the most important reasons is for advertising. They are looking for a mate. Their song says "I'm here, I'm handsome, beautiful and available. Come on over, the water's ...

During a recent lecture on evolution, I had to explain the differences between three different processes known as geographic, temporal and behavioral isolation. Geographic isolation is the easiest of ...

Arizona’s so fucked up, they’ve taken the dramatic measure of employing singing frogs to help them get the state’s “message” on immigration out to the rest of the world. Not even kidding. Via Animal ...