Do you love your grandma enough to be infected with coronavirus? Thousands volunteer for vaccine trials.

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UP NEXT
Online privacy is so much more than having "nothing to hide." Here's why
11:29
A Marriage on Trial: Johnny Depp, Amber Heard, and truth in the age of social media
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Does the 2nd Amendment actually give you the right to own a gun?
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An African student needed to flee Ukraine. Help came from Atlanta.
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'College, it wasn't my dream': Why young American men are opting out of college
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Feeling Stuck: Why college educated women are underemployed
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