Marvel Cinematic Universe as a 3-D network

Among 1- to 19-year-olds, regulations decreased motor vehicle deaths, but deaths by firearms increased and became the leading mechanism in 2018.

What people are doing when they are happy and not, from age 20 to 70.

Here’s how the distribution of genres has changed since 1945 up to present.

In the 1950s, less than 10% of families with children were single-parent. In 2022, among families with children, 31% were single-parent — more than three times as common.