New research has discovered an unexpected way pregnancy alters the brain—by changing a mother's temperature preferences. A study from the Baylor College of Medicine found that postpartum women prefer ...

Scientists think they may have finally discovered the reason why human body temperature has been decreasing over the past few centuries—gut microbes. A paper published in the American Journal of ...

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 ...