If you knew nothing, Jon Snow, here’s what it’s doing in five simple steps. “Let them see that their words can cut you and you’ll never be free of the […]

How does the brain justify an act of violence? Researchers dive into how our minds differentiate between a justified and unjustified act.

American Impressionism’s often been seen as a pale copy of the French Impressionism that flowered in the late 19th century. Although American Impressionists early on copied their French counterparts (and even made pilgrimages to Monet’s Giverny garden and home), the exhibition The Artist's Garden: American Impressionism and the Garden Movement, 1887–1920, at the Pennsylvania Academy of the Fine Arts through May 24, 2015, proves that American Impressionism quickly blossomed into something distinct—and distinctly American—by the turn of the 20th century. Capturing aesthetically a moment of contradictions as American nativism threatened to close borders while women’s suffrage struggled to open doors, The Artist’s Garden demonstrates the power of flowers to speak volumes about the American past, and present.

Scientists predict the majestic glaciers that cap the Canadian Rockies will lose 70 percent of their volume by 2100.

Lawrence Summers, economist, professor, former president of Harvard University, and economic adviser to President Obama, asks this question in a thought provoking lecture about the evolution of ideas and the critical importance of education in an increasingly multi-faceted world.

A significant study showed more spinach and kale in your diet may help slow cognitive decline.

Architect Marc Kushner explains how the goals of architecture and design vary between locations and contexts.

In my personal auditory life, and apparently in that of many of my fellow humans right now, there's a podcast revolution going on. Why this? Why now? 

Mindfulness meditation is at risk of being separated from its beneficent roots, which grounded the practice in ancient philosophical/religious systems that emphasized ascetic virtues.

A recent study shows the importance of breaking a sweat every once in a while during your workouts, especially for those of middle age or older — it may just prolong your life.

Words of wisdom from Luc de Clapiers, marquis de Vauvenargues: "In order to achieve great things, we must live as though we were never going to die."

"We judge ourselves by what we feel capable of doing, while others judge us by what we have already done."

Words of wisdom from Marie Curie: "One never notices what has been done; one can only see what remains to be done."

Few people know of them. That's why they're called the Happy Isles. 

Tom Yorton explains why listening is paramount to good business. The value of working toward excellent listening skills is one of the key lessons he's learned from working at Second City.

Professor Brenzel argues that not only can reading the great classics enrich your education, it can actually make your life better.

Harvard University's Jonathan Zittrain explores the amazing success of Wikipedia, a concept that "works really well in practice, just not in theory."

Ben Parr, author of the new book "Captivology," explains how certain celebrities reach a higher echelon of fame by mastering an ability to trigger positive reactions from their fanbases.

The brain is a wonder of computational power, and engineers want to replicate it by creating a better neural network.

The Dallas Zoo is preparing to celebrate the birth of a baby giraffe — a very special event in the life a zoo. And to share their enthusiasm with the public, a live feed has been created.