“What happened?” a detective asks his readers at the beginning of How to Be a Nature Detective (1958). Throughout the book, readers explore animal tracks and clues to help them solve mysteries like: ...

This collection of lessons and web resources is aimed at classroom teachers, their students and students' families. This curriculum includes five chapters: wolves in Yellowstone, ecosystem models, ...

Before you dismiss this site because of its name, I urge you to take the advice articulated on the homepage: “If you are looking for basic biology information, stay on this site. It’s not just biology ...