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Optogenetics has 'completely changed neuroscience'

PHILADELPHIA -- It's getting harder to find the line between science and science fiction.

One of the hot research techniques these days, "optogenetics," uses gene therapy to deliver light-sensitive proteins to specific cells. Then researchers use...

Graduation day and $300,000 in debt

MINNEAPOLIS -- Ashley Hall remembers clicking "yes" on the loan application and, inexplicably, laughing.

Maybe it's because the number seemed so surreal. Or because no one else in her family had done this before. But there she was, borrowing ...