5:10
The medieval legend of Tristan and Isolde - Iseult Gillespie
TED-Ed
10:48
Would you sell your kidney for $100,000?
5:00
Why you feel stuck — and how to get motivated - Shannon Odell
10:54
How to survive the apocalypse | Ada, Ep. 1
5:04
Why is the Amazon Rainforest known as the Earth's air conditioner? - Anna Rothschild
5:14
Have we reached the limit of computer power? - Sajan Saini and George Zaidan
6:48
What actually causes high cholesterol? - Hei Man Chan
5:52
The history of the world according to rats - Max G. Levy
6:31
One of the most controversial medical procedures in history - Jenell Johnson
6:08
The dark history of arsenic - Neil Bradbury
4:27
A day in the life of a martial artist in medieval China - Peter Lorge
5:26
Do you really need to take 10,000 steps a day? - Shannon Odell
4:59
How some friendships last — and others don’t - Iseult Gillespie
4:19
Why animals help each other - Ashley Ward
Lady Meng Jiang: The legend of the woman who outwitted an evil emperor - Juwen Zhang
5:29
How to make your stress work for you - Shannon Odell
5:35
How scientists are creating real-life invisibility cloaks - Max G. Levy
4:29
How are these fires burning underground? - Emma Bryce
6:05
Why don’t companies want you to repair your stuff? - Aaron Perzanowski
5:37
What staying up all night does to your brain - Anna Rothschild
6:01
Can you solve the trickster god riddle? - Alex Rosenthal
5:30
This could save lives— but are you willing to do it? - Michael Vazquez and Sarah Stroud
7:40
Ugly History: The Armenian Genocide - Ümit Kurt
5:18
How does kidney transplant surgery work? - Alexander H. Toledo
6:35
The real reason polio is so dangerous
The curse of the monkey's paw - Iseult Gillespie
6:06
How does extreme heat affect your body? - Carolyn Beans
5:20
3 reasons why medications are so expensive in the US - Kiah Williams
The dungeon master's riddle - Alex Rosenthal
5:22
What are those colors you see when you rub your eyes? - Paul CJ Taylor
5:25
The real tale of the Monkey King in Heaven - Ji Hao
This mushroom will kill you before you know what’s happening - Michael Beug
5:41
Greek mythology’s greatest warrior - Iseult Gillespie
5:01
Are there any places on Earth with no bugs? - Charles Wallace
5:39
You'll travel 1 trillion kilometers through space - Fabio Pacucci and Lindsay DeMarchi
Why did it take so long to find giant squids? - Anna Rothschild
5:49
What is hysteria, and why were so many women diagnosed with it? - Mark S. Micale
5:27
The birth of the galaxy in 60 seconds - Scott Hershberger
5:33
What’s the best way to treat the common cold?
4:48
The deadliest thing in your kitchen - George Zaidan
5:28
How do animals regrow their limbs? And why can't humans do it? - Jessica Whited
5:38
What does appendix pain feel like? - David R. Flum
5:55
The surprising reason zebras have stripes - Cella Wright
4:56
Are you more likely to explode or freeze in space? - Tejal Gala
4:41
The tale of the boy who tricked a tyrant - Paschal Kyiiripuo Kyoore
5:53
The tragedy of the one guy who was right about the Trojan Horse - Noah Charney
Is this the most valuable thing in the ocean? - David Biello
5:16
How do bulletproof vests work? - Max G. Levy
4:47
Why is it so dangerous to step on a rusty nail? - Louise Thwaites
What are warts — and how do you get rid of them? - Cella Wright
4:39
The most dangerous elements on the periodic table - Shannon Odell
Why did people wear powdered wigs? - Stephanie Honchell Smith
5:51
Why is Alzheimer’s disease so difficult to treat? - Krishna Sudhir
6:45
What the oil industry doesn’t want you to know - Stephanie Honchell Smith
Why does hitting your funny bone feel so horrible? - Cella Wright
Why are scientists shooting mushrooms into space? - Shannon Odell
5:17
The weirdest (and coolest) tongues in the animal kingdom - Cella Wright
4:51
The fall of the House of Cadmus - Iseult Gillespie
5:21
Why fish are better at breathing than you are - Dan Kwartler
5:43
What happens in your body during a miscarriage? - Nassim Assefi and Emily M. Godfrey
4:54
How close are we to powering the world with nuclear fusion? - George Zaidan
How do doctors determine what stage of cancer you have? - Hyunsoo Joshua No and Trudy Wu
The secret behind how Chinese characters work - Gina Marie Elia
What really happened to Oedipus? - Stephen Esposito
6:13
Can you solve the basketball riddle? - Dan Katz
These animals can hear everything - Jakob Christensen-Dalsgaard
6:11
How to love, according to Rumi - Stephanie Honchell Smith
5:31
Can you transplant a head to another body? - Max G. Levy
4:55
How did ancient civilizations make ice cream? - Vivian Jiang
How does an air conditioner actually work? - Anna Rothschild
5:34
Why don't "tough" and "dough" rhyme? - Arika Okrent
4:43
Can AI predict someone's breakup? - Thomas Hofweber
What happened when these 6 dictators took over? - Stephanie Honchell Smith
Scientists are obsessed with this lake - Nicola Storelli and Daniele Zanzi
How could so many people support Hitler? - Joseph Lacey
5:13
Why do bugs swarm over water? - Luke M. Jacobus
6:09
How to increase your happiness
4:31
How do gas masks actually work? - George Zaidan
5:32
The rise and fall of the Maya Empire’s most powerful city - Geoffrey E. Braswell
Does math have a major flaw? - Jacqueline Doan and Alex Kazachek
Picture a perfect society. What does it look like? - Joseph Lacey
6:44
The Nazis recruited to win the Cold War - Brian Crim
How to prevent political corruption - Stephanie Honchell Smith
The true story behind the legend of the 47 Rōnin - Adam Clulow
5:23
Why is "The Scream" screaming? - Noah Charney
5:54
What is earwax — and should you get rid of it? - Henry C. Ou
What Earth in 2050 could look like - Shannon Odell
The Greek myth of Demeter's revenge - Iseult Gillespie
The underground cities of the Byzantine Empire - Veronica Kalas
What causes addiction, and why is it so hard to treat? - Judy Grisel
Why was the Rosetta Stone so important? - Franziska Naether
One of the world’s oldest condiments - Dan Kwartler
4:25
5 philosophers on anger - Delaney Thull
How humanity got hooked on coffee - Jonathan Morris
4:52
Will the real Fernando please stand up? - Ilan Stavans
Can you solve the magical maze riddle? - Alex Rosenthal
The warrior who defeated the mighty Mughals - Stephanie Honchell Smith
5:45
When ancient wisdom beats modern industry - Rebecca Webster
Why can't you put metal in a microwave? - Aaron Slepkov
5:02
The Fijian myth of the greedy god - Raiana McKinney and Esther Wozniak
Is Chandigarh a perfectly planned city? - Vikramāditya Prakāsh
The corpse flower may keep you up at night - Daniel Nickrent
How does alcohol cause blackouts? - Shannon Odell
The real reason dodo birds went extinct - Leon Claessens
Would you raise the baby that ate your siblings? - Francesca Barbero
6:00
How to know if you're being selfish (and whether or not that's bad) - Mark Hopwood
6:26
History vs. Egypt’s "most powerful" pharaoh - Jessica Tomkins
How much would it cost to buy the ocean? - Astrid J. Hsu
4:53
Why is rice so popular? - Carolyn Beans
5:19
Are pandas the most misunderstood animal? - Lucy Cooke
Why is Texas hold 'em so popular? - James McManus
How to get motivated even when you don’t feel like it
The science of laughter - Sasha Winkler
Does planting trees actually cool the planet? - Carolyn Beans
5:36
How does whale communication work? - David Gruber and Shane Gero
The largest river on Earth is actually in the sky - Iseult Gillespie
The rights you might not realize you have - Shannon Odell
6:52
How did South African Apartheid happen, and how did it finally end? - Thula Simpson
How to make smart decisions more easily
5:44
The diseases that changed humanity forever - Dan Kwartler
Why was the US government obsessed with this animal? - Andrew C. Isenberg
Where did these gigantic space bubbles come from? - Ashkbiz Danehkar
The gory history of barber surgeons - Stephanie Honchell Smith
The asteroid that almost wiped out life on Earth - Sean P. S. Gulick
Sherlock Holmes and the crime of the century - Alex Rosenthal
Can you solve the secret assassin society riddle? - Alex Rosenthal
What really caused the Irish Potato Famine - Stephanie Honchell Smith
6:02
Japan's scariest ghost story - Kit Brooks
The dark history of werewolves - Craig Thomson
A tour of the ancient Greek Underworld - Iseult Gillespie
How to overcome your mistakes
Confused about recycling? It’s not your fault - Shannon Odell
5:09
3 tips on how to study effectively
How you survive the coldest place on Earth - Nadia Frontier
4:37
What would happen if everyone stopped eating meat tomorrow? - Carolyn Beans
Ethical dilemma: What makes life worth living? - Douglas MacLean
4:57
The plot to overthrow the Inca Empire - Gabriel Prieto
Why mosquitoes bite some people more than others - Maria Elena De Obaldia
Why were scientists so obsessed with these frogs? - Carly Anne York
Why is this painting of a black square famous? - Allison Leigh
What happens when you fall into piranha-infested waters? - Antonio Machado-Allison
4:38
Can you change your sleep schedule?
Can you solve the cursed dice riddle? - Dan Finkel
This is what happens when you hit the gas - Shannon Odell
Why is it so hard to break a bad habit?
The one thing stopping jellyfish from taking over - Mariela Pajuelo & Javier Antonio Quinones
Can alligators survive this apex predator? - Kenny Coogan
Is plant-based meat actually better for you? - Carolyn Beans
A 5,300-year-old murder mystery - Albert Zink
How the water you flush becomes the water you drink - Francis de los Reyes
Why is everyone fighting over these tiny spots of space? - Fabio Pacucci
What happens if you don’t put your phone in airplane mode? - Lindsay DeMarchi
Why your phone battery gets worse over time - George Zaidan
How dangerous was it to be a jester? - Beatrice K. Otto
5:03
How to enter flow state
5:48
3 questions to ask yourself before you believe something - Siska De Baerdemaeker
The rise and fall of Italy’s warriors-for-hire - Stephanie Honchell Smith
5:12
One of history's most dangerous myths - Anneliese Mehnert
What's happening to Earth's core? - Shannon Odell
6:03
Can other animals understand death? - Barbara J. King
Can you solve the time traveling car riddle? - Dan Finkel
Why did Megalodon go extinct? - Jack Cooper and Catalina Pimiento
Gravity vs. Pressure: The battle that formed the universe - Fabio Pacucci
6:22
What caused the Rwandan Genocide? - Susanne Buckley-Zistel
Should you switch to solar? - Shannon Odell
Why is Marie Antoinette so controversial? - Carolyn Harris
Who is the fastest god in all mythology? - Iseult Gillespie
4:44
What it means if you can see faces in objects - Susan G. Wardle
What did people do before anesthesia? - Sally Frampton
5:06
Food expiration dates don’t mean what you think - Carolyn Beans
Test yourself: Can you tell the difference between music and noise? - Hanako Sawada
How (and why) to read William Faulkner - Sascha Morrell
5:24
Can you outsmart Fate and break her ancient curse? - Dan Finkel
We can prevent the next epidemic - George Zaidan
Is it normal to talk to yourself?
The strangest summer in recorded history - David Biello
Why were there three popes at the same time? - Joëlle Rollo-Koster
Humans are all almost exactly the same... almost - Greg Foot
The rise and fall of the Mughal Empire - Stephanie Honchell Smith
Why do we have crooked teeth when our ancestors didn’t? - G. Richard Scott
The records the British Empire didn't want you to see - Audra A. Diptée
The return of Mongolia's "wild" horses - Nigel Rothfels
Why do we eat popcorn at the movies? - Andrew Smith
Whatever happened to the hole in the ozone layer? - Stephanie Honchell Smith
What is a fecal microbial transplant? - Kathryn M. Stephenson and David L. Suskind
The Hawaiian story of the wind keepers - Sydney Iaukea
How does this all-female species reproduce? - Susana Freitas and Darren Parker
Is AI the most important technology of the century?
How stretching actually changes your muscles - Malachy McHugh
5:08
This one weird trick will get you infinite gold - Dan Finkel
Puke, poop and tiny cockroaches: How the leafcutter ant queen runs her farm - Charles Wallace
4:46
A day in the life of a teenager in medieval Baghdad - Birte Kristiansen and Petra Sijpesteijn
The man who lost his sense of touch - Antonio Cataldo
5:42
What happens if an engineered virus escapes the lab?
How the Mongols used horses to create an empire - William T. Taylor
4:49
6 myths about the Middle Ages that everyone believes - Stephanie Honchell Smith
The continents are moving. When will they collide? - Jean-Baptiste P. Koehl
What if you experienced every human life in history?
5:58
What happens when the Arctic permafrost melts? - Brendan Rogers and Jessica Howard
5:07
One of the most banned books of all time - Mollie Godfrey