Biology is the study of life—a four-letter word that connects you to 4 billion years worth of family tree. The word “life” can be tricky to define, but a shared set of characteristics helps biologists ...

Plants have got you surrounded. They’re in your toothpaste, your bedsheets, and your regular Taco Bell order. In this episode of Crash Course Botany, we’ll find out what botanists study and how ...