Mr. Andersen explains Hardy-Weinberg equilibrium and describes the bead lab.

Jessi and Squeaks look into an animal mystery: Why do zebras have stripes?

Can public spaces both reclaim the past and embrace the future? Landscape architect Walter Hood has explored this question over the course of an iconic career, with projects ranging from Lafayette Square Park in San Francisco to the...

Statistics are persuasive. So much so that people, organizations, and whole countries base some of their most important decisions on organized data. But any set of statistics might have something lurking inside it that can turn the...

When you think about coral reefs, you probably imagine a sparkling tropical oasis that you can easily see while snorkeling or diving, but reefs can be found as deep as 8000 meters! As deep as they are, those reefs are still not immune to...

Imagine a neuroscientist who has only ever seen black and white things, but she is an expert in color vision and knows everything about its physics and biology. If, one day, she sees color, does she learn anything new? Is there anything...

Angelica Dass's photography challenges how we think about skin color and ethnic identity. In this personal talk, hear about the inspiration behind her portrait project, Human_, and her pursuit to document humanity's true colors rather...

Women have been a powerful (and largely underappreciated) force in the movement for Black equality in the United States. The Black Power Movement is no exception to that trend. Today, we'll learn about how women contributed to several...

In the 1600s, an expansive autonomous settlement called Palmares reached its height in Brazil. It was founded and led by people escaping from slavery, also called maroons. It was one of the world's largest maroon communities, its...

In this episode, Clint Smith details his experience as a teenager in New Orleans when Hurricane Katrina made landfall in 2005. The widespread devastation of Hurricane Katrina was a result of faulty levees and a fumbled response by FEMA,...

How long will it take to win a game of chess on an infinite chessboard?

Join Hank Green as he explains why blacklights make some things glow!

Weather isn’t all sunshine and rainbows—sometimes it’s rain, and sometimes that rain looks like blood.

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Black Americans have long fought in America's wars, very often fighting for a country that doesn't always fight for them. Today we'll learn about the experience of Black Americans in World War II. We'll look at the ways Black men and...

There are still lots of unsolved mystery about carbonados ("black diamonds"), and geologists even think those mystery rocks come from outside of Earth.

Many companies have offered diversity trainings to teach their employees about implicit biases. But what does that mean, and is it really helping anything?

In this video Paul Andersen shows conceptual thinking in a mini-lesson on cycles and flows in matter and energy. Two examples are included in the video and two additional examples are included in the linked thinking slides. ...

After visiting all 50 US states to talk to people about racial literacy, Winona Guo and Priya Vulchi expected to hear personal stories of race, culture and intersectionality; what they weren't expecting was how their unique upbringing...

When we talk about the American Revolution and Revolutionary War, the discussion often involves lofty ideals like liberty, and freedom, and justice. The Declaration of Independence even opens with the idea that "all men are created...

Conceptual artist and TED Fellow Sanford Biggers uses painting, sculpture, video and performance to spark challenging conversations about the history and trauma of black America. Join him as he details two compelling works and shares the...

For a long time, we could only guess what color a dinosaur might be. But in the past decade, there has been an explosion of color.

Evolution is known to be a long, slow process. But thanks to our interference, some animals have adapted at light speed in order to survive.

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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 science of the multicolored dress.