Philly finished its July 4th concert and fireworks after a lengthy storm delay; city celebrated nation's 250th in extreme heat

What you should knowPhiladelphia's July Fourth concert and fireworks on the Benjamin Franklin Parkway resumed following a ...

A Bird’s Brain Holds Clues to the Sounds of Music

The neurobiologist Erich Jarvis studies the few species capable of speech. He has long hoped to genetically engineer an ...