To measure drought in the present day, we use data from sensors that constantly record environmental conditions, such as soil moisture, precipitation, and snow water content. But to measure drought thousands of years ago, researchers can use tree rings. Alvin Chang for The Guardian shows how the researchers line up old rings to gather historical data and then do that across a region.
Measuring centuries-old droughts through tree rings
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Commonness of Divorce in America
I wondered how common it is for someone to get a divorce. While I’ve touched on the topic before, I’ve never calculated it directly, so I gave it a go.
Differences Between Women and Men’s Everyday with Kids
The day-to-day changes a lot when you have kids. However, it seems to change more for women than it does for men.
Growth of Target, an Animated Map
Watch the growth strategy behind Target stores, starting with the first location in 1962 in Minnesota.