In a Channel 4 clip, Hugh Montgomery does some back-of-the-napkin math contrasting the normal flu against the coronavirus.

Montgomery assumes that on average, someone infected by the coronavirus infects 3 others and that someone with the normal flu infects 1.3 to 1.4 others. There’s still more to find out about that 3x figure, but the main point — that staying at home right now is for the good of everyone — still holds.

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Years You Have Left to Live, Probably

The individual data points of life are much less predictable than the average. Here’s a simulation that shows you how much time is left on the clock.

One Dataset, Visualized 25 Ways

“Let the data speak” they say. But what happens when the data rambles on and on?

What Qualifies as Middle-Income in Each State

The meaning of “middle-income” changes a lot depending on where you live and your household size.

The Most Gender-Switched Names in US History

We use some names mostly for boys and some mostly for girls, but then there is a small percentage that, over time, switched from one gender to another. Which names made the biggest switch?