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 ...

NPR's Ayesha Rascoe plays the puzzle with Weekend Edition Puzzlemaster Will Shortz and Lauren Cusitello of San Diego, Cali.

Many of us learned about the human body's stress reaction to danger in ... In standing up against the bill, students provided a lesson in how not to bury your head in the warmth of ignorance ...