A director set out to capture the many sides of silence on film. The problem? Silence is much slipperier than he realized.

What’s it like to have a song inside your head, itching to get out? A neuroscientist and a songwriter compare notes from the frontier of music and science.

At TEDGlobal 2013, Bernie Krause shared the saddest sound he’s ever heard in the animal kingdom. Here, he reveals the happiest.

A beautiful graphic from Superinteressante magazine shows precisely which colors strike which musical note for an intrepid “eyeborg”-wearer.