Average first leaf appearance, as animated map

Mar 23, 2018

The USA National Phenology Network uses a computer model to estimate heat build-up and the “first leaf” appearance across the country. Jeremy White for The New York Times animated it.

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Where People Run in Major Cities

There are many exercise apps that allow you to keep …

Reviving the Statistical Atlas of the United States with New Data

Due to budget cuts, there is no plan for an updated atlas. So I recreated the original 1870 Atlas using today’s publicly available data.

Marrying Age

People get married at various ages, but there are definite trends that vary across demographic groups. What do these trends look like?

Where Bars Outnumber Grocery Stores

A closer look at the age old question of where there are more bars than grocery stores, and vice versa.