Robert Krulwich

Solved! A bee-buzzing, honey-licking 2,000-year-old mystery that begins here, with this beehive. Look at the honeycomb in the photo and ask yourself: (I know you've been wondering this all your life, but have been too shy to ask out loud ... ) Why is every cell in this honeycomb a hexagon?

Bees, after all, could build honeycombs from rectangles or squares or triangles ...

But for some reason, bees choose hexagons. Always hexagons.

Look at the center of this map, at the little red dot that marks Kansas City. Technically, Kansas City is at the edge of Missouri, but here on this map it's in the upper middle section of a bigger space with strong blue borders. We don't have a name for this bigger space yet, but soon we will.

Harry Dent, a financial newsletter writer, has been looking at the Census data, and he's uncovered something odd about American adults. When we turn 50, we dramatically change our clothes-buying habits. It's not gradual; gradual is what we'd expect. Instead, the change is drastic.

You can see it with men's shirts. In our early 50s, American men are at the top of our shirt buying game (either buying more shirts than at any other time in our lives, or maybe we're buying more expensively). Then watch what happens:

Look at this map, and notice that deep, deep in the Republican South, there's a thin blue band stretching from the Carolinas through Georgia, Alabama and Mississippi. These are the counties that went for Obama in the last election. A blue crescent in a sea of red.