We all know there's a heart in the body; we've been reading about it since childhood. As long as it beats, humans live. Let's tell you about the second heart and where it is located. Where is the ...

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 ...

Stanford bioengineer Mark Skylar-Scott writes about what he’s working on, how it could advance human health and well-being, and why universities are critical players in the nation’s innovation ...