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Science and Culture: Can the principles of topology help improve the world’s slums?

Stephen Ornes, Science Writer

May 14, 2019 116 (20)

Topology could help better connect the people and places in these chaotic communities. But some who’ve studied slums and their multifaceted origins fear that applying such mathematical approaches won’t help, and could even make the problem worse. Image credit: Shutterstock/Moobatto.

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Inner Workings: Search intensifies for primordial gravitational waves

Anil Ananthaswamy, Science Writer

May 14, 2019 116 (20)

After an infamous case of astronomical mistaken identity, new telescopes are helping to pick up the trail in hopes of finding these ripples in the fabric of spacetime that were produced just after the Big Bang. Image credit: Anil Ananthaswamy.

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Opinion: To create sustainable seafood industries, the United States needs a better accounting of imports and exports

Jessica A. Gephart, Halley E. Froehlich, and Trevor A. Branch

May 7, 2019 116 (19)

Evidence-based policies that foster sustainability require both better statistics and a more realistic picture of modern-day seafood production dynamics. Image credit: Allison Horst (University of California, Santa Barbara, CA).