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More than 154 million treasures fill the Smithsonian’s vaults, but where public view ends, Sidedoor begins. With the help of biologists, artists, historians, archaeologists, zookeepers and a...
A long time ago, in movie theaters not far away, Star Wars: A New Hope revolutionized American entertainment. In honor of May the 4th, we ex...
As we approach the nation's 250th birthday, we are looking back at some of the most important moments in American history. One of those mome...
When a Smithsonian archaeology intern opened a dusty box of bones in a Panamanian warehouse, she didn't expect to find a mystery, let alone...
What does it look like for something to be made in America? Through the photography of Christopher Payne, we journey across the past, presen...
Something dark and invisible makes up as much as 90 to 95 percent of the universe—and it took a little girl staring out a bedroom window at...
A string of unsolved murders in San Francisco's Chinatown in the 1970s led police to the door of a young Korean immigrant named Chol Soo Lee...
Orville and Wilbur Wright have been immortalized as the men opened the skies to human flight. But could they have achieved such great height...
Clifton Chenier grew up in rural Louisiana, watching how his father’s accordion could magically turn front porches into dance parties. When...
He’s a symbol of patriotism, protest, and power. But behind the red, white, and blue is a real man—and a disputed American origin story. How...
American newspaper publisher and all-around eccentric, Charles Francis Hall, was an unlikely candidate to become an Arctic explorer. Neverth...
It started with a messy lab and a mysterious mold. But turning “mold juice” into the world’s first antibiotic would take a sick policeman, a...
A mystery hidden in time. Wrapped in gold. Stowed secretly in Lincoln's pocket. We dig into the family story of a secret message etched insi...
Sidedoor returns for its twelfth season on Wednesday, November 26th!
Please be advised that new episodes will not be released during the government shutdown. For up-to-date information on the status of the Smi...
Why are capuchin monkeys kidnapping howler monkey babies in Panama? We investigate this bizarre case of primate abduction with researchers w...
It’s the most recognizable TV theme in America. But Jeopardy’s “Think Music” wasn’t originally written for a game show… It was written for a...
Ana María Bedoya's work takes her to some unlikely places: steep cliffs, river rapids, and tumbling waterfalls— all in search of vulnerable...
Children say it every day in school, but have you ever wondered why we recite the pledge of allegiance? We journey back to the late 1800s to...
When a black bear in Minnesota woke up from hibernation in the middle of winter and attacked three people and a dog, researchers were left w...
Turtles are built like tiny tanks—ancient, armored, and famously tough. But in the modern world, that toughness may be their greatest vulner...
Turtles have been around for 200 million years—outliving dinosaurs, surviving ice ages, and basically minding their own business the whole t...
Leeches don’t get a lot of love. They’re slimy, wriggly, and, well, they suck—blood that is. But there’s a lot to learn about the lowly leec...
The Gilded Age was a time of unparalleled wealth and prosperity in America — but it was also a time of staggering inequality, corruption, an...
If you were curating a mixtape that might be heard by aliens billions of years from now - but definitely would be seen by your fellow Earthl...
The Curious Case of the Dizzy Kudu. Rhinos with an unexplained skin disease. A lion that could barely chew. Who do you call when there's a m...
From the time we’re old enough to hold a crayon, it feels instinctive to draw on the wall. But for MISS CHELOVE – also known as Cita Sadeli...
Cellphones put the power of the world at our fingertips. With the touch of a finger, you can instantly connect with your doctor, have food d...
The United States has more martial arts schools than any other country – by far. Chances are you or someone you know practiced karate or ano...
A billion-dollar spacecraft, a daring deep-space mission, and one of humanity’s biggest questions: Where did we come from? NASA’s OSIRIS-REx...
When we think of serial killers, we tend to think of men—Ted Bundy, Jeffrey Dahmer, Jack the Ripper. But in the 1800s, the deadliest killers...
There was a time, before Neil Armstrong set foot on the moon, when some researchers believed women were better suited for space than men. In...
Beyoncé is one of the most well-known and appreciated Black women in music today, but to understand her work, we need to look at who came be...
Whether it's live on the Smithsonian National Zoo's panda cam or in front of a crowd, possibly no other animal's sex life is as closely watc...
Children say it every day in school, but have you ever wondered why we recite the pledge of allegiance? We journey back to the late 1800s to...
"I’m not superstitious, but I’m a little stitious.” As the New Year approaches, this iconic line from The Office feels more relatable than e...
Sojourner Truth was a women's rights advocate known best for her famous speech "Ain't I a Woman." But Truth never actually said these words....
Edmonia Lewis was the first sculptor of African American and Native American (Mississauga) descent to achieve international fame. Her 3,000-...
Imagine this: invisible robbers break into a bank and steal massive sacks of cash, but instead of running away with it they set their haul o...
They carried torches and marched at night. Their goal: defend free speech in America. What started as a small group of young men demonstrati...
Imagine Jaws without the sneaking tuba. Or Psycho without the shrieking violins. Music can help a horror film strike fear in the heart of th...
In the Lord of the Rings trilogy, Frodo becomes invisible when he puts the Ring on his finger. Well, at banks in the 1970s, this is basicall...
During the mid-1800s, one third of all paper money in America was thought to be fake. It was the golden age of counterfeiting, and one excep...
Sidedoor returns for its eleventh season on Wednesday, September 18th!
Within just a few years, artificial intelligence systems that sometimes seem to display almost human characteristics have gone from science...
There aren’t many portrait artists who get recognized on the street, but it happens to Devon Rodriguez all the time. After quietly honing hi...
Next up in our summer playlist, we bring you an episode of The Kitchen Sisters Present, a podcast featuring sound-rich stories ‘from the b-s...
In the twentieth century, the jetpack became synonymous with the idea of a ‘futuristic society.’ Appearing in cartoons and magazines, it fel...
It’s been called ‘the most noble and absurd undertaking ever attempted by any state.’ During the height of the Great Depression, the U.S gov...
For thousands of years, fluffy white dogs could be found across the Pacific Northwest. Their exceptionally soft, crimpy hair was shorn like...
Hitch a ride on the Chandra X-ray Observatory as it scours deep space for some of the most enigmatic and misunderstood objects in the univer...