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A decades-long effort to clean up the Chesapeake Bay, the nation's largest estuary, is showing signs of success. But scientists now say progress could be hindered by a hydroelectric dam, located on the Susquehanna River in northern Maryland.

The Conowingo Dam has been holding back pollution for nearly a century, but recent research shows it has filled up with sediment faster than expected.

"It's now at a point where it's essentially, effectively full," says Bill Ball, director of the Chesapeake Research Consortium. "The capacity's been reached."

The push for renewable energy in the U.S. often focuses on well-established sources of electricity: solar, wind and hydropower. Off the coast of California, a team of researchers is working on what they hope will become an energy source of the future — macroalgae, otherwise known as kelp.

Author Karl Ove Knausgaard — known for his six-volume autobiographical series, My Struggle — has embarked on a brand new multi-part project. Autumn, the first in a four-part quartet, is a collection of texts, each focused on a single subject.

In these short studies, Knausgaard considers a wide variety of tangible and intangible topics — apples, wasps, silence, jellyfish, fingers, forgiveness, dawn.

If you're a woman, there's a good chance you've used Johnson's Baby Powder at some point. It smells good, and it can keep you dry.

But is it dangerous?

Dr. Daniel Cramer says yes. He's a professor of obstetrics and gynecology at Brigham and Women's Hospital in Boston. He says talc — the mineral in talcum powder — can cause ovarian cancer.

"Overall, women may increase their risk in general by about 33 percent by using talc in their hygiene," Cramer says.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

ROBERT SIEGEL, HOST:

And now another moment from today's total eclipse of the sun. Here are Carlyn (ph), Steven (ph) and 3-year-old Grace Meyer (ph) in Russellville, Ky.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

KEVIN BUNCH: Hello, this is Kevin Bunch (ph). I was in Lebanon, Tenn., for the eclipse, came down here to get married.

ARI SHAPIRO, HOST:

NPR listeners are sharing their stories of the eclipse today.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

ROBERT SIEGEL, HOST:

And now another moment from the eclipse.

Words You'll Hear: Eclipse Cheap Seats

Aug 20, 2017

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DWANE BROWN, HOST:

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

DWANE BROWN, HOST:

And finally, yesterday, we asked you to contribute to our solar eclipse soundtrack. Here's what you came up with.

(SOUNDBITE OF SONG, "THAT'S AMORE")

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