If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...

From periods of rapid aging in our 40s and 60s to ancient brains that don’t decompose, here are some of the year’s most intriguing stories about human biology It can sometimes feel like health ...

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 ...

An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...

Editor's Note: This story was included as an excerpt in WBUR's weekly health newsletter, CommonHealth. If you like what you read and want it in your inbox, sign up here. There are some questions ...