Everyone would agree that a million is a lot and a billion is even more, but these types of numbers are hard to intuitively understand. So while you may nod and say, "wow" approvingly when told that there are more than a billion ants living in Manhattan, I bet you have a slightly more visceral reaction when you see how that number dwarfs the number of human residents:

Powerful, eh?

If you're intrigued, check out the original blog post at YourWildlife.org: "How Many Ants Live In NYC?"