Archive - Daniel Fetz

How Many People Have Ever Lived in the United States?

About 642 million people have lived in the United States since it became independent in 1776. A little over half of them, about 53 percent, are alive…

Jul 1 • Daniel Fetz

June 2025

How Fermi Poker Fosters Cognitive Empathy

Fermi Poker trains one of the core components of empathy: perspective-taking.

Jun 28, 2025 • Daniel Fetz

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts