When I was a kid, I remember grown-ups joking that any deep hole (that I was digging in a sandbox, perhaps) would go "straight down to China." They were wrong, of course, and today you can answer the same question online with Antipodes Map.

This week we're checking out what it takes to produce zero waste for 30 days, learning how criminals actually steal passwords, looking at where nuclear weapons live around the globe and talking about jobs with the best perks.