The true story behind the legend of the 47 Rōnin
Adults Human
Dig into one of Japan’s most infamous stories about the 47 samurai who take revenge for the loss of their leader.
Something Strange Happens When You Follow Einstein's Math Veritasium 15.5M subscribers Subscribe 91K
Adults Human
Einstein was wrong about black holes, what else?
What Is Earwax?
Youth Human
Explore why earwax forms, its purpose in our health, and whether or not we should be trying to get rid of it.
This person isn't actually screaming - Noah Charney
Adults Human
Explore Edvard Munch’s masterpiece “The Scream,” and find out why this artwork became one of the world’s most famous paintings.
A Comedian’s Take on How to Save Democracy
Adults Human
Conversation is a battlefield with only one winner. Or is it? Comedian and author Jordan Klepper believes we can get better at talking to each other (and perhaps save democracy) by learning how to lose.
One of the world’s oldest condiments - Dan Kwartler
Adults Human
Trace the history of ketchup, from the condiment’s origins in 3rd century China to becoming a staple of American cuisine.
What’s Eating The Titanic?
Adults Human
When a ship sinks, lots of factors, like the ship’s materials, the water quality, and the depth of the seafloor all play a role in determining how long the ship will last down there - as a result, the Titanic will be gone in fifty years, while Byzantine wrecks in the Black sea remain.
The Billion-Dollar Problem in Education
Adults Human
Standardized testing is deeply woven into the fabric of US education, but does it foster genuine learning?
Cardiologist Answers Heart Questions From Twitter
Adults Human
Cardiologist Dr. Sunil Rao answers your questions about the heart from Twitter. How do you measure your maximum heart rate?
Our Instruction Manual for Existing
Adults Human
Your DNA contains all the instructions your body needs to function. In this episode of Crash Course Biology, we’ll figure out what this giant instruction manual looks like and how this three-billion-letter code gets copied into your trillions of cells through DNA replication.
How humanity got hooked on coffee - Jonathan Morris
Adults Human
Trace the history of coffee, from its first known origins to its rise in popularity due to trade routes and cultivation.
The Oldest Unsolved Problem in Math
Adults Human
Do odd perfect numbers exist?
The Unique Bond Between Humans and Dogs | Wonderful World of Puppies | BBC Earth
Adults Human
Newborn puppies express their emotions through various tummy grunts and whines, creating a unique bond with their owner.
How This Guy Runs a 5 and a Half Minute Mile...Backwards | WIRED
Adults Human
Ever tried running backwards? Meet Aaron Yoder, one of the world's fastest backward runners who can complete a reverse mile in five and a half minutes.
Why Are All Humans Unique? Meiosis: Crash Course Biology
Adults Human
Ever wonder why we aren’t exact clones of our parents, or why siblings aren’t exactly alike? The reason traces back to meiosis. In this episode of Crash Course Biology, we’ll discover how egg and sperm cells get made and learn why you’re a totally unique remix of your parents’ DNA.
Why Steve-O risked his life over, and over, and over again
Adults Human
You know Steve-O. Now meet Steve Glover, as the professional stuntman talks to us about pain, insecurity, and never finding contentment.
Alex Honnold Rappels The Moulin
Adults Human
Climber Alex Honnold and glaciologist Heidi Sevestre descend deep into a Moulin: a deep verticial river going tens of meters into the glacier itself.
6 Tips on Being a Successful Entrepreneur | John Mullins | TED
Adults Human
Sometimes, you need to break the rules to innovate — but which ones? Entrepreneurship professor John Mullins shares six counter-conventional mindsets for entrepreneurs looking to think strategically, navigate challenges and change the world.
Why Do We Get Goosebumps?
Youth Human
We've all been there when it gets a bit chilly and you end up with goosebumps. But have you ever wondered why and how we get them?
Psychiatrists Can't Agree About This New Disorder
Adults Human
Prolonged grief disorder recently debuted in both of the two manuals that clinicians use to diagnose psychological conditions. But the DSM and the ICD don't completely agree on what it is.
Do Gut Microbes Control Your Personality? | Kathleen McAuliffe | TED
Adults Human
Biologist Kathleen McAuliffe dives into new research that suggests certain bacteria in your gut can influence major parts of who you are, from your personality to life-changing neurological disorders.