401 Prompts for Argumentative Writing Scroll through this list of questions that touch on every aspect of contemporary life — from social media to sports, politics and school — and see which ones most inspire you to take a stand. Read More…

On the Shooting in Florida, Student Activism, ‘Black Panther’ and the Olympics: Our Favorite Student Comments of the Week The best teenage comments from last week’s writing prompts, and an invitation to join the conversation this week. Read More…

Beyond the Bitcoin Bubble Yes, it’s driven by greed — but the mania for cryptocurrency could wind up building something much more important than wealth. Read More…

‘I’m Just More Afraid of Climate Change Than I Am of Prison’ How a group of five activists called the Valve Turners decided to fight global warming by doing whatever it takes. Read More…

The Reckoning: Teaching About the #MeToo Moment and Sexual Harassment With Resources From The New York Times Classroom ideas for confronting the questions and issues raised by this movement and its impact on our society. Read More…

Can A.I. Be Taught to Explain Itself? As machine learning becomes more powerful, the field’s researchers increasingly find themselves unable to account for what their algorithms know — or how they know it. Read More…

Selling Airborne Opulence to the Upper Upper Upper Class For a private-jet broker, success is all about knowing who’s who in the world’s 0.0001 percent. Read More…

A Free Press Needs You Don’t just take it from us. Scores of publications from around the country are raising their voices. Read More…

Can Jim Mattis Hold the Line in Trump’s ‘War Cabinet’? Dismissed as a warmonger during the Obama presidency, the defense secretary may be the only reliable voice of caution left in an administration inching closer to the brink. Read More…