Wasting away: Our garbage by the numbers
In today’s culture of mass consumption, the things we throw away often vanish from our minds, but all that trash has to go somewhere. Look at the numbers on garbage and you’ll see it’s more than just trashy — it’s appalling. Luckily, there’s plenty we can do about it.
Converting between miles and kilometers
Here’s a very cool trick for using math to convert between miles and kilometers.