Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy ...

Because mama really did know best. As we step into fall—with new notebooks, cozy sweaters, and that back-to-school buzz—it’s the perfect time to reflect on the early lessons that helped shape how we ...

This lesson plan teaches students how the human body self-regulates to maintain a stable internal environment despite changes in the external environment -- a process called homeostasis. Most of the ...