![](https://image.tmdb.org/t/p/original/yHex3xs0P6ndAFuRRawVzhchIad.jpg)
![](https://image.tmdb.org/t/p/w342/1RcA9BIcyeEhrLJPxprdu16TwXz.jpg)
Episode 5
Learn how texting could reduce suicides. See why surrogate parenthood is still being shaped by Baby M. Shine a light on lead, banned but not gone. Climate help may come from the Cold War. Andy Borowitz recalls a flaming river.
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![](https://image.tmdb.org/t/p/w300/1nxuBK17arUrAgtNwnQRIDxj4T0.jpg)
Other episodes for this season
![Episode 1](https://image.tmdb.org/t/p/w300/1BJp9gSEPekQlgWPV00GRWMxeJY.jpg)
![Episode 2](https://image.tmdb.org/t/p/w300/sfbHZPVK3hwzMY1YdG6yAeYTZlE.jpg)
![Episode 3](https://image.tmdb.org/t/p/w300/8DpQHBntIk7FS1XaKl9baN8p4WA.jpg)
![Episode 4](https://image.tmdb.org/t/p/w300/jWTDkEKc3zwpNlWcORo7oX7tYLy.jpg)
![Episode 5](https://image.tmdb.org/t/p/w300/yHex3xs0P6ndAFuRRawVzhchIad.jpg)
![Episode 6](https://image.tmdb.org/t/p/w300/yHex3xs0P6ndAFuRRawVzhchIad.jpg)
![Episode 7](https://image.tmdb.org/t/p/w300/yHex3xs0P6ndAFuRRawVzhchIad.jpg)
![Episode 8](https://image.tmdb.org/t/p/w300/yHex3xs0P6ndAFuRRawVzhchIad.jpg)