As I was out shopping for a green dress this week, an earworm found its way into my head. If you’re Canadian and old enough to remember the 1990s, you’ll know exactly what song I’m referring to.
In this week’s Sunday Spark, I delve into the phenomenon of earworms. Plus, a look at the math behind leap years, eco-friendly eyewear, China’s progress with renewable energy, and decluttering shoes.