All episodes
What Is Dust Made Of?
Why Bram Stoker's Dracula Almost Had a Very Different Name
23 Amazing Facts About Dolly Parton
6 Comic Book Villains Who Actually Made Great Heroes
How Nanotechnology Works
How Día de los Muertos Traditions Honor and Celebrate the Dead
How Hoover Dam Works
How the Golden Gate Bridge Works
How a Teenage Sacagawea Guided the Lewis and Clark Expedition
Why Do We Scream When We’re Scared?
Why Florida Mangroves Matter
How Bioarchaeology Works
That Time the Nazis Invaded the US In 1942
The Real New Jersey History Behind ‘Friday the 13th’s Camp Crystal Lake
What Happened to the Yuba County Five?
5 of the Most Haunting Cemetery Tours in the U.S.
What is the Electoral College and How Does it Work?
How Does Anesthesia Work? St. George University Review
How Politics Affects Your Life
The Arctic Ocean and Why You Literally Can't Live Without It
What Does It Mean When You Dream About Someone?
What Did People Really Eat in Medieval Taverns?
Distortions of the Mercator Map
Why Do We Say “Copy That”?
Why “Suffragette” Was Originally Meant to Mock Women
The Spiritual Meaning of Waking Up At 3 A.M.
Why Is a Computer Error Called a Bug?
The Real-Life Herbs in 'Practical Magic'
The Remarkable Story of the Tree That Survived 9/11
The Meaning Behind the White Roses at the 9/11 Memorial
Where the Great Depression Hit America Hardest, Mapped
It Is Illegal to Collect Rainwater?
Why Do We Say "Hold the Fort"?
The Beatles Movie That Helped Inspire 'The Monkees'
The True Terrors Of Tudor Medicine
The Darkest Secrets From The Medieval Tower Of London
100 Things You Didn't Know Were Invented by Black People
What Actually Happens During an Autopsy
50 Insane Facts About Death You Didn't Know
What Foods are Making You Sick?
How The Underground Railroad Worked
History's Most Disturbing Freakshows
The Eugenics Crusade In America
What Made The Samurai So Hard To Fight?
The Secret World of the Japanese Swordsmith
The Jazz Legend Amy Winehouse Said Taught Her How to Sing
Would You Have Survived the Salem Witch Trials?
What Really Led to the Collapse of Easter Island?
5 Jobs Most Medieval Women Actually Did
Why Are Black Cats Associated with Halloween?
The D.B. Cooper Mystery and CIA Cold War Experiments
The Most Terrifying Cults in History
The Mystery of Hildegard von Bingen’s Secret Language
Inside The Disappearance of Jodi Huisentruit
The Illusion of Motherhood: Mexico's Shocking Baby Kidnapping Case
Defeating Polio: The Disease That Paralyzed America
The Haunting Legacy of Lizzie Borden
Ninjas: How Japanese Spies Evolved into Pop Culture Heroes
The Nancy Guthrie Disappearance Timeline
Decoding the Antikythera Mechanism
How Wu-Tang Clan Revolutionised Hip-Hop Forever
How To Build A Nuclear Warning For 10,000 Years’ Time
What Was Operation Mincemeat During World War 2
How Does Severe Hoarding Start?
How Hip-Hop Became a Global Movement
What Is ChatGPT? Everything You Need to Know
The Murders Of The West Mesa Bone Collector And The Chilling Evidence
Why Do Cats Sleep at Our Feet?
The Real Story of Johnny Appleseed
The Countries With the Most Documented Serial Killers, Ranked
30 Magical Facts About 'Practical Magic'
How Mesopotamia's Revolution Shaped Modern Politics
Why Do Airplanes Really Stay in the Sky?
The Spiritual Meaning of the Harvest Moon
Why Do We Say "Eye on the Ball"?
Why So Many U.S. Cities Have Spanish Names?
8 Ways Cultures Around the World Celebrate the Autumn Equinox
5 Sounds That Defined Fall in the 1990s
15 Life-Saving Facts Everyone Should Know
Sun Gods: 12 Solar Traditions From Around the World
12 of the Most Famous Unsolved Crimes in History
What Are the Odds of a Hole-In-One?
Why Do Golf Balls Have Dimples?
What Is the Hosel on a Golf Club?
What Was the Deepest Free Dive Ever Recorded?
How Does The Waymo Car Drive Itself?
What Is Climate Change?
The Meaning Behind Winged Skulls on Old Gravestones
What Is Love? Scientists Have Answers
What Is Artificial Intelligence?
How to Find Your IP Address on Any Device
How Does the NFL Salary Cap Work?
How AI Voice Scams Work
Why We Call It the "Butterfly Effect"—and What You Might Be Getting Wrong
How Does GPS Work?
The Censorship Battle That Created The Twilight Zone
What Is a Group of Birds Called?
Why Do We Say “Steal Someone's Thunder”?
Ghost vs. Ghoul: What's the Difference?
Why Do We Say "Turn Over a New Leaf"?