Unrefrigerated brains in preserving solution are stacked high on shelves at the Harvard Brain Tissue Resource Center at McLean Hospital. Olin College of Engineering/Flickr hide caption

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This image shows the grid structure of the major pathways of the brain. It was created using a scanner that's part of the Human Connectome Project, a five-year effort which is studying and mapping the human brain. MGH-UCLA Human Connectome Project hide caption

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How Your Brain Is Like Manhattan
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The most common cause of brain injury in premature infants is a lack of oxygen in the days and weeks after birth, researchers say. Ibrahim Usta/AP hide caption

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Why Brain Injuries Are More Common In Preemies
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