Although we might feel otherwise in the moment, no part of our body is static, everything is changing and regenerating, some ...

Science writer Mary Roach is fascinated by the human body, especially, she says, the "gooey bits and pieces of us that are performing miracles on a daily basis." Take the human heart, for instance. If ...

In “Replaceable You,” Mary Roach describes mind-boggling efforts to replace human body parts—and why it’s proven to be so ...

Share on Pinterest The human body experiences rapid changes around age 50, according to a new study. Maskot/Getty Images Past studies show that human aging doesn’t necessarily happen at the same pace ...