This is the second week of this Thursday Threads experiment and already we have a bonus edition. Two other items crossed my browser today that were just too good to pass up: how statistical techniques are improving the aggregation of political polling and a visual representation of lifespan versus income …

In case you haven't run across Gapminder.org yet, I encourage you to carve out about 45 minutes of a day to do so. Even before going to the URL above, your first stop should be this 20 minute video by Hans Rosling -- professor of global health at Sweden’s …