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Why we need to get young adults out of their comfort zone

Why we need to get young adults out of their comfort zone

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News Wrap: U.S. marks 17th anniversary of 9/11 attacks

News Wrap: U.S. marks 17th anniversary of 9/11 attacks

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Carolinas brace for ‘monster’ Hurricane Florence

Carolinas brace for ‘monster’ Hurricane Florence

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Wildfires bring lingering worries about what's in the air

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Trump’s EPA eases rules on climate-changing methane

Trump’s EPA eases rules on climate-changing methane

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How Betsy DeVos wants to defang rules for-profit colleges

How Betsy DeVos wants to defang rules for-profit colleges

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17 years on, is Afghanistan making progress toward peace?

17 years on, is Afghanistan making progress toward peace?

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Flying into hurricanes, scientists search for more certainty

Flying into hurricanes, scientists search for more certainty

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'Now is the time' to evacuate Hurricane Florence danger

'Now is the time' to evacuate Hurricane Florence danger

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News Wrap: Tropical storm Olivia drenches Hawaii

News Wrap: Tropical storm Olivia drenches Hawaii

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FDA wants e-cigarette makers to extinguish use by kids

FDA wants e-cigarette makers to extinguish use by kids

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Kavanaugh and the abortion debate factor in key Senate race

Kavanaugh and the abortion debate factor in key Senate race

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6:46
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PBS News Hour

'If you think you know everything, you can't learn anything'

When students come into Dan Levitan's lab, he spends most of his time trying to teach them that they don't know everything they think they do. "Knowledge can only be created in an environment where we're open to the possibility that we're wrong," he says. Levitan shares his humble opinion on the best way to help students.
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