Afternoon Delight is a daily diversion for when you’re back from lunch but not quite ready to get back to work. Check back tomorrow at 1 p.m. for another installment.

OK, it’s no dancing dog. But in honor of Idea Week, here’s a little video on where ideas come from.  Special bonus: Steven Johnson, who created this, will be at Arts&Letters Live next Tuesday.  He recently wrote Where Good Ideas Come From: The Natural History of Innovation.