David Rosner & Gerald Markowitz

David Rosner is the Ronald H. Lauterstein Professor of Sociomedical Sciences and a professor of history at Columbia University. Gerald Markowitz is a Distinguished Professor of History at John Jay College and CUNY Graduate Center. Their most recent book is Lead Wars: The Politics of Science and the Fate of America’s Children.

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A Time-Lapse of Alaska's Northern Lights

The beauty of aurora borealis, as seen from America's last frontier

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What Do You Wish You Learned in College?

Ivy League academics reveal their undergrad regrets

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Famous Movies, Reimagined

From Apocalypse Now to The Lord of the Rings, this clever video puts a new spin on Hollywood's greatest hits.

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What Is a City?

Cities are like nothing else on Earth.

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CrossFit Versus Yoga: Choose a Side

How a workout becomes a social identity

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In Online Dating, Everyone's a Little Bit Racist

The co-founder of OKCupid shares findings from his analysis of millions of users' data.

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