Editor's note

Did you ever miss lunch and then find yourself hitting the roof when traffic slows you down on the way home? Sounds like you might have been “hangry” – irritable while hungry. Social psychologist Jennifer MacCormack investigated the connection between hunger and hanger and found that certain conditions make the transition from one to the other much more likely.

In 2016, the number of tourists visiting the U.S. dropped by more than 2 percent. Is the Trump administration to blame? Bing Pan of Pennsylvania State University explains what’s causing the slump – and why the White House’s “America First” attitude is only partly to blame.

As Arizona Republican Sen. John McCain battles terminal brain cancer, the former presidential candidate faces hostility from the White House, marginal influence in the Republican-controlled Senate, and a public less receptive to the positions he has long embodied. Scholar Elizabeth Sherman looks at McCain’s career and writes that three powerful trends in American politics thwarted his lifelong ambition to be president.

Maggie Villiger

Science + Technology Editor

Top stories

You’re ready to blow your top – but how much is due to your internal hunger and how much to external annoyances? perfectlab/Shutterstock.com

When does hungry become hangry?

Jennifer MacCormack, University of North Carolina – Chapel Hill

Missing a meal can certainly push you toward a bad mood. But new research identifies in what kind of situations hunger is most likely to tip toward hanger.

Travel is up around the world – but not to the US. Rawpixel.com/shutterstock

Tourism to the US is in a 'Trump slump' - truth or fiction?

Bing Pan, Pennsylvania State University

In 2016, the number of international tourists to the US dropped by more than 2 percent, while tourism trended upward worldwide. There are several explanations for the dip.

Republican presidential candidate Sen. John McCain arrives for a news conference in Annapolis, Md. REUTERS/Jim Young

John McCain helped build a country that no longer reflects his values

Elizabeth Sherman, American University

Sen. John McCain, facing terminal cancer, will end his career with growing repudiation by his party and the public of positions, from national defense to bipartisanship, that he has long embodied.

Ethics + Religion

Economy + Business

Science + Technology

  • Can Facebook use AI to fight online abuse?

    Daniel Lowd, University of Oregon

    It could seem attractive to try to teach computers to detect harassment, threats and abusive language. But it's much more difficult than it might appear.

Education

  • School safety commission misses the mark by ignoring guns

    F. Chris Curran, University of Maryland, Baltimore County

    After Education Secretary Betsy DeVos said a school safety commission won't focus on guns, a school safety scholar says the commission may miss an important part of the discussion.

Health + Medicine

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Today’s quote

Rolling back net neutrality rules will jeopardize the digital startup ecosystem that has created value for customers, wealth for investors and globally recognized leadership for American technology companies and entrepreneurs.

 

Is America's digital leadership on the wane?

 

Bhaskar Chakravorti

Tufts University

Bhaskar Chakravorti