Are you an inbox-full or inbox-empty kind of person? 2 Kinds of People, a Tumblr. An infographic on mother tongues and their native speakers. (It has its critics.) The tangled bookish roots of Jurassic Park. And speaking of parks, got $2 million? The Flintstones Bedrock City is for sale.
Photo: A dinosaur model at Lawrence Hall of Science in Berkeley in 2011. (Doug Oakley/Bay Area News Group)