In their new book, "The Distracted Mind", neuroscientist Adam Gazzaley and psychologist Larry Rosen, look at what happens to our brain when we are constantly bombarded by technological interruptions.
Fifty years ago, Jonas Salk announced a vaccine against polio. But the disease remains far from conquered. A survivor of childhood polio examines the impact of polio on our culture and what it still can teach us.
- Marc Shell professor of literature at Harvard University and author of "American Babel: Literatures of the United States from Abnaki to Zuni Stutter."
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