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 The Global Water Challenge
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As global population grows, so does the demand for water. Yet less than one percent of the planet’s supply is potable, and estimates suggest that 40% of humanity will not have access to clean water by 2025. Explore the complex issues surrounding this precious resource in this episode of America Abroad.

America Abroad is an award-winning documentary radio program distributed by Public Radio International (PRI) and broadcast on public radio stations nationwide. Each month, we take an in-depth look at a critical issue in international affairs and U.S. foreign policy.

To learn more visit http://www.americaabroad.org

Social Science
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Microbes on fish skin record important environmental changes
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This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:

"A fish's health is a reflection of its environment Healthy waters produce healthy fish While understanding how environmental factors like pollution affect fish populations can be extremely difficult researchers are beginning to find answers by exploring the one feature that separates fish from their environment their skin The diverse microbial community that resides on fish's skin is like a living almanac recording entire histories of environmental changes, both good and bad Using genetic barcoding, researchers recently discovered how human disturbances are imprinted by the microbiota on fish skin For streams along the Jordan River, the team found that nutrient dumping was linked to the abundance of certain bacteria namely, Proteobacteria and Bacteroidetes providing one way of finding sites affected by transient nutrient pollution This powerful new method could be critical in gauging the status of both fish and the water they inhabit as the microbial communities that thrive on fish skin capture environmental.."

The rest of the transcript, along with a link to the research itself, is available on the resource itself.

Life Science
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Research Square
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