John Snow’s cholera map, an animated version

We almost always look at data through a screen. It’s quick and good for exploration. So is there value in making data physical? I played around with a 3-D printer to find out.

How do couples meet now and how has it changed over the years? Watch the rankings play out over six decades.

See how your country compares.

A look at the rise for each state over three decades, for men and women.