Who gets to be an entrepreneur? Saamra Mekuria-Grillo says the image we most commonly see — a guy in a hoodie — is a limiting representation of entrepreneurial success. She highlights the importance of young Black people seeing entrepreneurship as a possibility for themselves and explains the key to making the field more inclusive.

In 1961, an Antarctic expedition took a harrowing turn: Dr. Leonid Rogozov began feeling feverish, with an excruciating pain in his right side. It soon became clear that he had appendicitis. While Rogozov’s predicament was extreme, appendicitis is not uncommon; affecting roughly one in 12 people. So, what causes appendicitis? And why is this org...

We all want to use our talents to create something meaningful with our lives. But how to get started? (And ... what if you're shy?) Writer Kare Anderson shares her own story of chronic shyness, and how she opened up her world by helping other people use their own talents and passions.

What does it mean to be an active citizen? It's about more than just voting and paying taxes, says social entrepreneur Gabriel Marmentini. He explains why we can't rely on the state alone to solve all our problems — and presents the four key ingredients for anyone to become a change-maker and engage in solving public issues.

Many animals need sleep. But all of the threats and demands animals face don't just go away when it's time to doze. That's why a range of birds, mammals, and even humans experience some degree of asymmetrical sleep, where parts of the brain are asleep and other areas are more active. So, how does it work? Masako Tamaki explores how animals' brai...

Why do we ever stop playing and creating? With charm and humor, celebrated Korean author Young-ha Kim invokes the world's greatest artists to urge you to unleash your inner child -- the artist who wanted to play forever.

Dana R. Fisher calls herself an "apocalyptic optimist" based on her research as a sociologist of large social movements. Her studies suggest that ever-increasing climate disasters will get people out in the streets demanding the action we need. She breaks down how to cultivate resilience to catastrophe in yourself and your community — and how to...

When we measure things, most people are only worried about how accurate, or how close to the actual value, they are. Looking at the process of measurement more carefully, you will see that there is another important consideration: precision. Matt Anticole explains what exactly precision is and how can help us to measure things better. [Directed ...

Whether it’s grades and test scores, cushy jobs or big salaries, our ideas of “success” tend to be incredibly narrow and often start incredibly early. Julie Lythcott-Haims is a New York Times bestselling author and former Dean of Freshmen at Stanford, and she is dedicated to helping people reconsider what really makes a happy, “successful” adult...

Scientists have been staking out a forest in Montana for an animal that's notoriously tricky to find. Camera traps haven't offered definitive evidence, and experts can't identify its tracks with certainty. But within the past decades, researchers have developed methods that can detect even the most elusive species. So how does it work? Hélène Mo...

How do you end a story? Host of "Radiolab" Jad Abumrad tells how his search for an answer led him home to the mountains of Tennessee, where he met an unexpected teacher: Dolly Parton.

Nearly 3,000 years ago, a Babylonian tablet described a curious illness called "miqtu" that caused symptoms ranging from facial twitching to full body convulsions. Today we know miqtu as seizures, and modern medicine has developed numerous treatments for those experiencing them. So what causes seizures, and is there any way to stop them from hap...

If you see something wrong in the workplace, what should you do? Business leader Angélique Parisot-Potter says you should speak up, even when it's scary. Sharing her personal experience of voicing concerns at work, she offers three lessons on standing up for what's right.

McKenna Pope's younger brother loved to cook, but he worried about using an Easy-Bake Oven -- because it was a toy for girls. So at age 13, Pope started an online petition for the American toy company Hasbro to change the pink-and-purple color scheme on the classic toy and incorporate boys into its TV marketing. In a heartening talk, Pope makes ...

A more equal world starts with you. Citing a formative moment from her own life, equity advocate Dwinita Mosby Tyler highlights why showing up and fighting for others who face injustices beyond your own lived experience leads to a fairer, more just future for all.

Driving in Johannesburg one day, Tapiwa Chiwewe noticed an enormous cloud of air pollution hanging over the city. He was curious and concerned but not an environmental expert -- so he did some research and discovered that nearly 14 percent of all deaths worldwide in 2012 were caused by household and ambient air pollution. With this knowledge and...

Non Player Characters --NPCs for short-- have always been a huge part of what makes video games engaging, from Cortana in Halo to Navi in The Legend of Zelda. But interactions with NPCs were always limited to a pre-written script. Until now. Purnendu Mukherjee is the CEO of Convai, a platform that enables developers to create NPCs with human-lik...

You know that little pink thing nestled in the corner of your eye? It's actually the remnant of a third eyelid. In humans, it's vestigial, meaning it no longer serves its original purpose. There are several other vestigial structures in the human body, quietly riding along from one of our ancestor species to the next. But why have they stuck aro...

From Dread To Delight: Finding Happiness in My Schooling Journey