Editor's note
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Concerns about low salaries aren’t the only thing driving teacher strikes throughout the United States. As Rebecca Tarlau, an education and labor relations scholar at Pennsylvania State University, explains, teacher union leaders are aligning themselves with broader causes of social and racial justice.
Former Trump fixer Michael Cohen testifies in front of the Government Oversight and Reform Committee next week but he won’t be talking about the “overall economy and efficiency and management of government operations,” the committee’s formal purview. Instead, he’s expected to discuss everything from Trump’s debts to payments relating to efforts to influence the 2016 election. Penn State law professor Stanley M. Brand – and former legal counsel to the House of Representatives – explains why he thinks the committee is overstepping its bounds.
A lot of television ads these days feature robots, but the robots on TV aren’t like robots in real life. Boston University’s Joelle Renstrom explains what’s going on with these fictional automatons – and some of the troubles these depictions can cause.
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Jamaal Abdul-Alim
Education Editor
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Top stories
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Striking teachers are increasingly casting their struggle as being part of a broader struggle for social justice.
David Zalubowski/AP
Rebecca Tarlau, Pennsylvania State University
The teacher strikes that have swept the US represent a new shift in teacher activism that has led teacher unions to align with broader social and racial justice movements, an education scholar says.
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Michael Cohen, left, walks out of federal court, Nov. 29, 2018, in New York.
AP/Julie Jacobson
Stanley M. Brand, Pennsylvania State University
Michael Cohen will soon testify before Congress about his work for Donald Trump. But the hearing's subject goes far beyond the committee's jurisdiction, which is government operations and activities.
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Robots can’t really eat hot dogs.
SimpliSafe/YouTube.com
Joelle Renstrom, Boston University
In ads, robots typically are scary, sad or stupid. Real-life robots and artificial intelligence systems are none of those.
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Science + Technology
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Nicole Creanza, Vanderbilt University; Kate Snyder, Vanderbilt University
Biologists investigated whether birds that search for multiple mates would evolve ever more elaborate songs to attract them. What they found might have surprised Darwin.
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Clifford Johnson, University of Southern California – Dornsife College of Letters, Arts and Sciences
The film wowed critics and fans. But its hidden power may be black lead characters who are accomplished scientists – just the thing to help inspire future generations to follow in their footsteps.
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Health + Medicine
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Jeb Barnes, University of Southern California – Dornsife College of Letters, Arts and Sciences
Asbestos litigation is the number one source of tort claims in the US, with many people decrying the filing of so many claims. But there's a reason the claims persist. Asbestos isn't going anywhere.
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Arash Javanbakht, Wayne State University
Mass shootings bring terror in ways that people watching from afar can only imagine. And yet, society at large is also affected, a trauma psychiatrist writes.
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From our international editions
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Craig O'Neill, Macquarie University
More evidence that the asteroid hit on Earth that marked the end of the dinosaurs could have triggered a deadly increase in volcanic activity.
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Luke Martinelli, University of Bath
The Finnish experiment will only fuel further debate on whether or not universal basic income is a good idea.
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Viviane Callier, University of Toronto
A new study in Nature finds that large research teams develop recent ideas, while small teams conduct more disruptive and innovative research.
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Today’s chart
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Heidi Steinour
University of South Florida
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