Fashion fads come and go—but did you know that some fashion trends are downright dangerous?

Hank hates death, so he helps us understand the process of aging, informs us of how scientists are studying ways to prevent it and brings us the exciting news of current research in longevity... for mice.

Near the end of 2020, we got some puzzling but good news: COVID-19 fatality rates have been dropping. Here are a few factors that might help explain why we’re seeing this trend.

In 2009, five Kenyan people took a petition to the British Prime Minister. They claimed they endured human rights abuses in the 1950s, while Kenya was under British colonial rule, and demanded reparations. They had no documentary...

In this poetic and moving reflection, actor, musician and activist Golshifteh Farahani honors those who have fought for "Woman, Life, Freedom" following Mahsa Amini's death at the hands of Iran's religious morality police. Calling upon...

Horses have been human companions for thousands of years, and have been essential companions and tools for the development of human culture. So, it makes sense that horses would make their way into our most important stories. Today,...

If you think social media is powerful, keep an eye on immersive video games, says futurist Noah Raford. As more and more people are drawn into gaming and virtual worlds, the communities they forge are spawning real-world social...

We need to have a talk about your future. You're going to die. We all are. And it's probably going to be expensive. This week on CC Econ, Adriene is talking about the economics of death. Some of the expense is tied to the cost of...

This week on Crash Course Literature, John Green is continuing to talk about Shakespeare's dark, bloody, Scottish play, Macbeth. This time around, we're looking at the play's characters operate, how the play deals with gender, and the...

Our Milky Way galaxy is alive and well, producing new stars all the time. But there’s another group of galaxies out there, populated only by venerable red dwarf stars - the young stars are nowhere to be seen. In effect, these galaxies...

In which John Green teaches you about the life and death of one of history's great explorers, Captain James Cook of the British Navy. He charted large swaths of the Pacific ocean, laid claim to Australia and New Zealand, and died a...

In 1925, Frida Kahlo was on her way home from school in Mexico City when the bus she was riding collided with a streetcar. She suffered near-fatal injuries and her disability became a major theme in her paintings. Over the course of her...

This week on Crash Course Mythology, Mike is teaching you about the archetypes that are often associated with male divinities. We're going to talk about Fathers & Sons, Kings & Judges, Saviors & Sages, Shamans, Tricksters, and Lords of...

The light at the end of the tunnel, the peacefulness, your life flashing before your eyes,it's all been documented thoroughly in pop culture. What usually gets left out, though, are the potential scientific explanations for what happens...

In which John Green teaches you MORE about Bill Shakespeare's Hamlet. John talks about gender roles in Hamlet, and what kind of power and agency Ophelia and Gertrude had, if they had any at all (spoiler alert: we think they did). You'll...

In which John Green teaches you about the life and death of one of history's great explorers, Captain James Cook of the British Navy. He charted large swaths of the Pacific ocean, laid claim to Australia and New Zealand, and died a...

A husband and wife were in despair. The woman had just given birth to their 13th child, and the growing family was quickly running out of food and money. Wandering into the woods, the father encountered a skeletal figure with sunken eyes...

From the 1200s through the 1600s, parts of Europe were afflicted with deadly, mysterious outbreaks of seemingly contagious, unstoppable dancing. While it's still unclear exactly why these "dancing plagues" happened, modern psychology may...

Alzheimer's disease is the most common cause of dementia, affecting over 40 million people worldwide. And though it was discovered over a century ago, scientists are still grappling for a cure. Ivan Seah Yu Jun describes how Alzheimer's...

Even though age can contribute to someone’s death, it almost definitely won’t be the direct cause.

Shocking, but true: the United States has the highest rate of deaths for new mothers of any developed country -- and 60 percent of them are preventable. With clarity and urgency, physician Elizabeth Howell explains the causes of maternal...

People have struggled to understand some hypotheses scientists had, which are correct but were disclaimed back then. So here’s the 5 scientists and their ideas that nobody believed.

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Hank shares some developments in cancer research, from new insights into the behavior of zombie cancer cells, to a new method that uses nanotechnology to kill cancer from within.

In which John Green teaches you, at long last, about the most exceptional bunch of empire-building nomads in the history of the world, the Mongols! How did the Mongols go from being a relatively small band of herders who occasionally...