Culverts installed for roads have led to a decline in salmon, which Northwest Indian tribes were ensured access to by treaty.
AP Photo/Ted S. Warren
Monte Mills, The University of Montana
A Supreme Court case deals with the narrow issue of tribal salmon fishing rights in the Northwest, but raises fundamental questions about justice for American Indians.
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Night owls, or people who have a hard time waking up in the morning, face health risks as a result.
aslysun/Shutterstock.com
Kristen Knutson, Northwestern University; Malcolm von Schantz, University of Surrey
Pity the poor night owls of the world, who already must adjust to a life that doesn't align with their natural sleep patterns. Now it appears that being a night owl even raises the risk of death.
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Speaker Ryan is leaving the House.
Rachel Caufield, Drake University
Paul Ryan, the Republican speaker of the House, just announced his retirement, and the race to replace him started before his announcement. What is the speaker's role? How has it changed over history?
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Environment + Energy
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Elizabeth Madin, Macquarie University
On the eve of the March for Science, a marine biologist explains why she's returning from abroad to speak out for science in the Trump era.
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Sheril Kirshenbaum, Michigan State University; Douglas Buhler, Michigan State University
Affluent consumers may have more access to information about food than lower-income earners, but they are just as vulnerable to misinformation and pseudoscience.
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Politics + Society
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Alexandra Moore, Binghamton University, State University of New York
A grassroots movement is fighting for transparency and accountability on North Carolina's involvement in torture.
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Johanna Mendelson Forman, American University School of International Service
Pioneering chefs from Bolivia to Brazil are stepping out of the kitchen and into public service. The 'social gastronomy' movement uses food to create jobs, prevent violence and boost economies.
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Science + Technology
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Scott Shackelford, Indiana University
Facebook is realizing it has broad obligations to society. Here's how it could start meeting them.
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Jeff Inglis, The Conversation
Facebook says it's going to continue to respond to widespread concerns about its practices and role in society. Researchers of privacy and online trust offer ideas for immediate action.
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From our international editions
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Keith Somerville, University of Kent
If the allegations are true Zimbabwe intends to prosecute Grace Mugabe for ivory and rhino horn smuggling.
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Asit K. Biswas, National University of Singapore; Kris Hartley, University of Melbourne
Inequality is decried at campaign rallies and in the global commentariat. But little is being done at any policy level.
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Craig Barker, University of Sydney
Looting of Iraq's national museum began on April 10, 2003. At least half of the artefacts taken remain missing and disturbingly, the illegal trade in stolen antiquities has grown in the years since.
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