Marine scientist Walter Boynton of the University of Maryland Center for Environmental Science is studying mud, ooze, and other material from the Chesapeake Bay's bottom to find out what areas are healthy and where it's dying. John Poole/NPR hide caption

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Researchers Get Dirty To Clean Up Chesapeake

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Gadfly Bug
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Invernessence Bug
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Checkpoint Charlie shown in June 1968 (left) and October 2009 (right). During the Cold War, Checkpoint Charlie was the main border crossing between East and West Berlin; today, the historic site is a popular shopping district and tourist attraction. John MacDougall/AFP/Getty Images hide caption

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The Night The Wall Fell: Freedom, Fatherhood Collide

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Quintet for Strings No. 1 in A Major, Op. 18: Allegro con moto L' Archibudelli
Quintet for Strings No. 1 in A Major, Op. 18: Scherzo. Allegro di molto L' Archibudelli
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45:33 [Runaway Remix] LCD Soundsystem
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Chovendo Na Roseira [Children's Games] Marcos Ariel
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Alone with Jobim
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Panama Paul Meyers
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World on a String
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Lauro's Waltz Jack Wilkins
For Darcy and Lenny Keith Oxman
Watch Your Step John Moulder
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Bifrost
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School Days Marius Butch Nordal
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Sonata No. 3 in G Minor: Allegro vivo Jascha Heifetz
Menuet (from Sonatine In F-sharp) Jascha Heifetz / Emanuel Bay
No information Asha Bhosle
Ghostwalk The Budos Band
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Daptone Gold
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Year of the Rat Sufjan Stevens & Osso
Makin' Do Jared Gold
No information Asha Bhosle
In a Mellow Tone Houston Person
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