geology The ocean's salt could blanket the Earth's land surface in a whopping 500-foot layer Mark Frauenfelder

History Why did Mark Twain hate coyotes? What is the difference between an Opossum and a Possum? Elías Villoro

tips An intriguing list of "little-known but obvious facts" Mark Frauenfelder

facts Dale Gribble's thoughts on Facebook Rob Beschizza

politics Most Americans are not confident election systems are secure from hacking: Pew Research Xeni Jardin

maps The last Americans holding out against same-sex marriage Rob Beschizza

facts How many metro rides were taken during Women's March Vs Trump inauguration Mark Frauenfelder

trains The world's shortest train Rob Beschizza

trump Trump spokesman angry at fact Rob Beschizza

scholarship Mexico-US illegal migration has been at zero for 8 years, and other eye-opening facts Cory Doctorow

cartoons An Instagram feed of fun illustrated facts Mark Frauenfelder

computers How It Works …. The Computer (Ladybird books, 1978) Rob Beschizza