Visual explanation of menstrual cycle length and variability

The most common causes of death changed over the years. They vary across sex and age group. This animation shows the details of these changes.

Our everyday routines changed over the past year, and with the 2020 American Time Use Survey, we can see by how much.

“So how’d you two meet?” There’s always a story, but the general ways people meet are usually similar. Here are the most common.

The rich continue to get richer, and everyone else either only kind of earns more or stays where they’re at.