In a typical hero's journey, the protagonist sets out on an adventure, undergoes great change and returns in triumph to their point of origin. But in the Irish genre of myth known as echtrai, the journey to the otherworld ends in a point...

The group of bacteria known as Chlamydiae doesn't do much to endear itself to us since these bacteria can cause a variety of illnesses. But it turns out that we may have Chlamydiae to thank for life as we know it!

Behavioral economist Dan Ariely, the author of Predictably Irrational, uses classic visual illusions and his own counterintuitive (and sometimes shocking) research findings to show how we're not as rational as we think when we make...

Salt dissolves in water; oil does not. But why? You can think of that glass of water as a big, bumpin' dance party where the water molecules are always switching dance partners -- and they'd much rather dance with a salt ion. John...

How do squirrels remember their nuts? #shorts #science

When it's time to play in the big game against your fiercest rivals, you might put on your "game face." But how much does this expression affect your opponents? And might you also be affecting yourself?

In this episode of Crash Course Psychology, Hank tackles some difficult topics dealing with prejudice, stereotyping, and discrimination.

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Forget home economics and standardized tests, education visionary Trish Millines Dziko has a much more engaging and fulfilling way for students to develop real-world skills. Get schooled by Dziko as she shares how project-based learning...

Researchers mapped the mammoth family tree by extracting DNA from fossils. Also, scientists found some sessile animals living under Antarctica's ice shelf, and they're really cool.

Business in Africa is booming -- but international companies are missing out, says emerging markets expert Nomava Zanazo. Rushing in without knowing their customers, businesses underestimate Africans and make costly assumptions about...

You use your brain's executive function every day -- it's how you do things like pay attention, plan ahead and control impulses. Can you improve it to change for the better? With highlights from her research on child development,...

One day a pair of brothers working together as shoemakers had an explosive fight that split the family business in two. Over the coming years, this disagreement divided their town— residents and businesses chose sides. Could such a...

Some people who get sick with COVID-19 don't feel any symptoms of the disease, but what does an asymptomatic COVID-19 infection look like?

Sometimes excitement can feel more like anxiety, and it turns out that they aren't that unrelated. Understanding the automatic reaction in our brains and changing our interpretation of the source might help us actually turn that anxiety...

There are some deeply ingrained stereotypes about Dungeons & Dragons, and those stereotypes usually begin and end with people shouting "NERD!!!" But the reality of the D&D universe is a whole lot more complex. Rather than being an escape...

Have you ever gone along with a group even though you had your doubts? You're not alone: Research shows unanimous decisions aren't always actually unanimous.

In this weeks science news, new fossil has been found that might help us understand how jaw bones evolved into complex middle ears found in mammals, and a new treatment regimen for treating babies with HIV shows promise.

Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they? Lori Marino...

What's haunting Carrie Poppy? Is it ghosts or something worse? In this talk, the investigative journalist narrates her encounter with a spooky feeling you'll want to warn your friends about and explains why we need science to deal with...

Civic evangelist Eric Liu shares a powerful way to rekindle the spirit of citizenship and the belief that democracy still works. Join him for a trip to "Civic Saturday" and learn more about how making civic engagement a weekly habit can...

FEED ME! In this episode of Crash Course Kids, Sabrina has a chat with us about what living things eat to get energy. What makes something an omnivore, or a carnivore, or an herbivore? And how do plants fit in to all of this? This first...

Escape was one of the many ways that enslaved people resisted their captivity in the system of American slavery. The Underground Railroad was not literally a railroad. It was a network of people, routes, and safe houses that helped...

Nearly 350 species of fish have specialized anatomical structures that generate and detect electrical signals. Underwater, where light is scarce, electrical signals offer ways to communicate, navigate, find, and sometimes stun prey. But...

Photographer Phil Borges shows rarely seen images of people from the mountains of Dharamsala, India, and the jungles of the Ecuadorean Amazon. In documenting these endangered cultures, he intends to help preserve them.