Police say officers responded to the first break-in on Friday at 10 a.m. at a residence in the 900 block of Ivanhoe Street in Halifax. 

We are always pouring sound into our heads, whether we’re using some kind of speakers or wearing headphones. And I’m going to make a guess here, but I assume that most people demand a certain level of audio quality to whatever it is they’re listening to. You don’t want distortion and you expect a certain...

How did we come to require two channels to listen to music? It's a story that goes back to the late 18th century. Here's how it happened.