Over the last several years, teenagers have been subject to increasingly severe sentencing. A psychologist explains why this justice system reflects a major misunderstanding of the adolescent brain.

A conversation with the Temple University psychologist.

The chairman of One Laptop per Child has also founded MIT’s Media Lab, invested in Web startups, and written a column for Wired. Which undertaking was the hardest?

As Rupert Murdoch dukes it out with Google, the founder of MIT’s Media Labs assesses how freely information will flow in the information age.

How the digital age has made an “omelet” out of life and work—and why that’s exactly the way we like it.

Twenty years after predicting the “Negroponte switch” between wired and wireless technologies, Nicholas Negroponte describes another advance that will soon seem inevitable: the convergence of “biology and silicone.”

The physical book will disappear, says Nicholas Negroponte. Teachers who resist dispensing with them because “laptops are distracting” must change their methods.

Citing zero truancy rates and teachers requesting late retirement, the chairman of One Laptop per Child argues that his program has succeeded all over the world—especially the Third World.

How One Laptop per Child got started, and how its rainproof, sunproof machines with “cute little ears” were designed to appeal to kids across the globe.

When artists break through by doing what they think will make them famous, not what they love, expressing their “real” selves becomes far harder.

When Maria Schneider looks out at her audiences, she sees “mostly young people.” Meanwhile, jazz continues to assimilate new genres at lightning speed.

Since composing her first dance work (“Dissolution”), Maria Schneider has created all her music while dancing around her apartment. The neighbors may stare, but the results are exhilarating.

Creative juices dry up when artists fear their best work is behind them. As a potter once taught Maria Schneider, the solution is to “break your bowls” and move on.

What is the relationship between composition and improvisation in jazz? Grammy Award winner Maria Schneider explains.

How one of America’s finest jazz composers brings music into “three-dimensional space,” and why writing for an orchestra can be an expression of love.

Once the composer recognized the gender imbalance in the jazz world, she developed a theory about why women are discouraged from the arts.

Hearing her piano teacher play for the first time, composer Maria Schneider felt like Dorothy stepping into Oz.

Glenn Hubbard also rejects proposals to audit the Federal Reserve, and to put a cap on the size of large financial institutions.

The Columbia Business School dean to President Obama: “Focus on getting that long-term deficit down.”

The Fed should stick to monetary policy, says Glenn Hubbard, dean of Columbia Business School.

Glenn Hubbard has a bold idea: it’s called the new Marshall Plan.

How will institutions change their curriculum post-crisis? Columbia Business School’s dean, Glenn Hubbard, believes the key is to teach broad leadership skills.

A conversation with the dean of Columbia Business School.

Paul Bloom has researched everything from religion and moral reasoning to children’s understanding of fiction and art. What’s the most unusual project he’s working on now?

What abilities do our brains lose after childhood? Developmental psychologist Paul Bloom explains.

Paul Bloom argues that human pleasure is “deep”—that is, rooted in what we see as the essence of objects and people.

What explains the universal human love of fiction, even horror fiction? Paul Bloom believes it’s an evolved preference that helped our ancestors survive a variety of real-world scenarios.

Children’s appreciation of art and artistic intent is far more sophisticated than psychologists once believed. In fact, we may all start out as little Pollocks.