TOP 10 REASONS Why We Know the Earth is Round

There's a right way and wrong way to do empathy, says author and scholar Chezare A. Warren. So how do we get it right? He unpacks the source of false empathy and explains the key shift in perspective we need to build healthy...

Hank synopsizes the life and work of Glenn Seaborg, pioneer of synthetic elements, member of the Manhattan Project, and the architect of the last great shake-up of the periodic table.

What if we could harness the power and value of all that we discard? Circular economy builder Garry Cooper presents a compelling vision for transforming cities into sustainable, circular economies, citing real-world examples of how...

Today we’re going to take a closer look at cities, examine how these large complex structures are organized, and identify patterns and differences in land use around the world. We'll begin with a quick recap of Central Place Theory, then...

Today, Clint Smith is teaching you about the Civil Rights activist and Icon, Reverend Jesse Jackson. Jackson began his career working with Martin Luther King in the 1960s, and in the 1970s he founded PUSH, an organization to advance the...

Amanda Williams shares her lifelong fascination with the complexity of color: from her experiences with race and redlining to her discovery of color theory to her work as a visual artist. Journey with Williams to Chicago's South Side and...

How does cancer know it's cancer? At Jay Bradner's lab, they found a molecule that might hold the answer, JQ1. But instead of patenting it and reaping the profits (as many other labs have done) -- they published their findings and mailed...

A skyscraper that channels the breeze ... a building that creates community around a hearth ... Jeanne Gang uses architecture to build relationships. In this engaging tour of her work, Gang invites us into buildings large and small, from...

You founded a company that manufactures meatless burgers that are sold in stores worldwide. But you've recently received awful news: three people in one city died after eating your burgers. A criminal has injected poison into your...

Some people argue that the Polar Vortex is evidence against global climate change, but there’s actually growing evidence that a warming Arctic means colder winters.

Roman Mars is obsessed with flags -- and after you watch this talk, you might be, too. These ubiquitous symbols of civic pride are often designed, well, pretty terribly. But they don't have to be. In this surprising and hilarious talk...

Ghost stories reveal much more than the ghouls and spirits that haunt them. Settle in for a spooky delight as theater educator Coya Paz Brownrigg lays out three types of bone-chilling tales and exhumes the grave truths they hold about...

For the past 20 years, photographer and TED Fellow Jon Lowenstein has documented the migrant journey from Latin America to the United States, one of the largest transnational migrations in world history. Sharing photos from his...

How can we tap into the potential of all students, especially those who come from disadvantaged backgrounds? Sociologist Anindya Kundu invites us to take a deeper look at the personal, social and institutional challenges that keep...

Humans take up a lot of space, but engineers are already coming up with some amazing solutions for the future.

You may think that things are heated in Washington today, but the Kansas-Nebraska Act of 1854 had members of Congress so angry they pulled out their weapons -- and formed the Republican Party. The issues? Slavery and states' rights,...

The abrupt shift to online learning due to COVID-19 rocked the US education system, unearthing many of the inequities at its foundation. Educator Nora Flanagan says we can reframe this moment as an opportunity to fix what's long been...

During the Red Summer of 1919 violence against Black people broke out across the United States. Black people and neighborhoods were attacked in Washington DC, Chicago, Tulsa, and many other cities and towns across the country. Post-war...

The old combined sewer systems of many major cities are no match for modern storms and impermeable surfaces.

In 1960, Frances Kelsey was one of the Food and Drug Administration's newest recruits. Before the year was out, she would begin a fight that would save thousands of lives - though no one knew it at the time. Andrea Tone explains how...

Hank synopsizes the life and work of Glenn Seaborg, pioneer of synthetic elements, member of the Manhattan Project, and the architect of the last great shake-up of the periodic table.

Today on SciShow, Hank brings us a little science history, telling us the tale of the world's first human-made nuclear reactor, which was built by a team of scientists and students led by Enrico Fermi in a converted squash court under a...

At 18, Natalie Warne's work with the Invisible Children movement made her a hero for young activists. She uses her inspiring story to remind us that no one is too young to change the world.