What if businesses were designed to maximize impact — not just profits? Alex Amouyel, president and CEO of Newman's Own Foundation, details the organization’s commitment to donate all of the profits from the food company it owns — and...

A mathematician with a knife and ball begins slicing and distributing the ball into an infinite number of boxes. She then recombines the parts into five precise sections. Moving and rotating these sections around, she recombines them to...

The Maasai people have lived sustainably off the savanna for centuries, raising cattle for sustenance and income. Climate activist Dorcas Naishorua paints a picture of how the climate crisis is threatening their way of life — and calls...

The fairytale industrial complex has been lying to you, says love coach and podcast host Francesca Hogi. Having spent years talking to thousands of people about their romantic hopes and dreams, she introduces a new possibility for our...

While they are incredible engineering marvels, we don't think about bridges all that much. But there's a good reason we should all be thinking about our bridges, since there's a weird reason that more of them might be at risk of failure...

Crash Course Mythology with Mike Rugnetta is here, and we have the preview video to prove it. We'll be uploading Friday afternoons to fulfill all your hunger for foundational cultural stories and whatnot.

Our understanding of both clogged arteries and the building blocks of DNA are thanks to the groundbreaking work of Dr. Marie M. Daly, the first Black woman in the U.S. to receive a Ph. D. in chemistry.

If we want to build back better after the pandemic, we must reconsider philanthropy and create a new kind of capitalism that's rooted in generosity and accountability, says Darren Walker, president of the Ford Foundation. In this vital...

Earthquakes have always been a terrifying phenomenon, and they've become more deadly as our cities have grown - with collapsing buildings posing one of the largest risks. But why do buildings collapse in an earthquake? And how can it be...

Strong faith is a core part of Alaa Murabit's identity -- but when she moved from Canada to Libya as a young woman, she was surprised how the tenets of Islam were used to severely limit women's rights, independence and ability to lead....

Get an engineeer's-eye-view of the tallest buildings in the world, to learn what challenges they face as they reach for the sky and wonder, how tall can we build?

In this video Paul Andersen shows conceptual thinking in a mini-lesson on boundary and initial conditions within systems.

Boundary conditions - the dividing line between system and enviro
nment
Initial condition - the...

Film producer Jeff Skoll (An Inconvenient Truth) talks about his film company, Participant Productions, and the people who've inspired him to do good.

The future economy won't be built by people and factories, but by algorithms and artificial intelligence, says data scientist Mainak Mazumdar. But what happens when these algorithms get trained on biased data? Drawing on examples from...

Ancient monuments give us clues to astonishing past civilizations -- but they're under threat from pollution, war, neglect. Ben Kacyra, who invented a groundbreaking 3D scanning system, is using his invention to scan and preserve the...

Laparoscopic surgery uses minimally invasive incisions -- which means less pain and shorter recovery times for patients. But Steven Schwaitzberg has run into two problems teaching these techniques to surgeons around the world: language...

If we want sustainable, long-term security to be the norm in the world, it's time to radically rethink how we can achieve it, says TED Fellow and conflict researcher Benedetta Berti. In an eye-opening talk, Berti explains how building a...

Urban planner Ryan Gravel shares the story of how his hometown of Atlanta, Georgia, rallied to build a massive urban park that will transform an abandoned railroad track into 22 miles of public green space called the Atlanta BeltLine....

urban planner Ryan Gravel shares the story of how his hometown of Atlanta, Georgia, rallied to build a massive urban park that will transform an abandoned railroad track into 22 miles of public green space called the Atlanta BeltLine....

This week we’re going underground to explore geotechnical and seismic engineering. We’ll look at how structures connect to the ground and transmit loads through their foundations, and how those foundations need to provide a high bearing...

Twitter gives a voice to the voiceless, a way to speak up and hit back at perceived injustice. But sometimes, says Jon Ronson, things go too far. In a jaw-dropping story of how one un-funny tweet ruined a woman's life and career, Ronson...

In 1990, the Italian government enlisted top engineers to stabilize Pisa's famous Leaning Tower. There'd been many attempts during its 800 year history, but computer models revealed the urgency of their situation. The tower would topple...

Join the Amoeba Sisters as they explain gene and chromosome mutations, and explore the significance of these changes. This updated video has improved audio and images! Codons and the amino acids they code for is represented by standard...

Explore how substances travel in diffusion with the Amoeba Sisters! This video uses a real life example and mentions concentration gradients, passive transport, facilitated diffusion, and explains why diffusion is critical for all...