Demonstrators outside Terminal 5 of Chicago’s O'Hare airport on Jan. 29, 2017.
AP Photo/Nam Y. Huh
Steven Mulroy, University of Memphis
A constitutional scholar considers the legal arguments that could undo Trump's executive order barring travel by residents of seven Muslim majority countries.
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Economy + Business
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Charles Hankla, Georgia State University
Trump's 'America first' rhetoric implies that the internationalism and ‘enlightened self-interest’ that built the postwar order was a big mistake. The evidence and basic economics disagree.
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Science + Technology
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Alexis Noel, Georgia Institute of Technology; David Hu, Georgia Institute of Technology
How do a frog's tongue and saliva work together to be sticky enough to lift 1.4 times the animal's body weight? Painstaking lab work found their spit is a two-phase viscoelastic fluid.
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John Carrier, Massachusetts Institute of Technology
The problems that cause us to be so frustrated we contemplate throwing a computer can be much more serious than a multimillionaire football coach having a minor tantrum on a Sunday afternoon.
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Politics + Society
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Shontavia Johnson, Drake University
The law says official presidential records must be preserved. How do tweets figure in – particularly when they're altered or deleted?
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Health + Medicine
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Desmond Schatz, University of Florida
Diabetes kills more people than breast cancer and AIDS, and Mary Tyler Moore was a fierce advocate for research to combat the disease. Here is why it's important to know if you are prediabetic.
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Environment + Energy
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Timothy Hyde, Massachusetts Institute of Technology
A century before the modern environmental era, experts realized that London's dirty air was corroding its new Parliament building. This insight led to some of the first air pollution laws.
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Education
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Mark Onslow, University of Sydney
Children who stutter may be less popular among classmates, appear shy and quiet, and often avoid speaking in class so that they don't draw attention to their speech disorder.
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