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 ...
Medlife Crisis on MSN

Why is your heart on the left

Ever wondered why your heart isn’t sitting neatly in the middle of your chest? This science-meets-comedy routine takes a hilarious look at anatomy, evolution, and the quirks of the human body - ...
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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 ...
When the human body gets hurt, most tissues heal—skin closes over a wound, bone heals itself. But not all organs heal that ...
Smithsonian biologists are using heart monitors designed for humans to study how high stress levels in animals can hinder ...