Veritasium

Title: Seeing Inside A Thermite Reaction
Runtime: 2:33
Date posted: 8 months ago
Description: The world’s first look inside a thermite reaction.

Title: The Most Controversial Idea in Biology
Runtime: 28:50
Date posted: 8 months ago
Description: Most people don’t fully understand evolution. Sponsored by Hostinger - visit https://ve42.co/hostingern8n and use the code VERITASIUM to get an extra discount on top of the sale prices.

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▀▀▀
0:00 Why does poop smell bad?
2:51 The Beginning Life
7:15 What is gene mutation?
8:01 Simulating Evolution
13:25 How natural selection works
16:39 What do we pass on?
19:40 Kin Selection
22:04 The Selfish Gene
25:35 It’s all a simulation

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A big thanks to Dr. Jack Szostak at the University of Chicago, Dr. John Sutherland at Cam...

Why didn't this skateboard stunt start from the top?

Title: Why didn't this skateboard stunt start from the top?
Runtime: 1:19
Date posted: 8 months ago
Description: This is the world's largest skateboard ramp from @redbull

Sandro Dias broke two world records skating down it but all we could think was...

Why didn't he start from the very top?

Title: How To Solve a Quadratic Equation
Runtime: 2:34
Date posted: 8 months ago
Description: What does it mean to solve a quadratic equation by 'completing the square'? Here it is explained visually.

A general solution to the cubic equation was long considered impossible, until we gave up the requirement that math reflect reality.

Title: How To See Atoms
Runtime: 1:04
Date posted: 8 months ago
Description: Here’s what happens when you just keep zooming in.

Renting A Helicopter To Settle A Physics Debate

Title: Renting A Helicopter To Settle A Physics Debate
Runtime: 1:34
Date posted: 9 months ago
Description: The story of a controversial physics question on the qualifying exam for the 2014 US Physics Olympiad team. How does a uniform cable beneath a helicopter hang?

Title: Can you really reach anyone in 6 steps?
Runtime: 33:17
Date posted: 9 months ago
Description: The beautiful math behind six degrees of separation. Sponsored by Incogni - use code veritasium at https://incogni.com/veritasium to get an exclusive 60% off.

If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

Sign up to the Veritasium newsletter for weekly science updates - https://ve42.co/Newsletter

To play around with the simulations in the video, you can follow these links:
Disease spreading - https://www.veritasium.com/simulation2
Preferential attachment - https://ve42.co/barabasiAlbertSim

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A huge thank you to:
Duncan Watts, for creating the small-world model that inspired this video and expanding on his further work; Steve Strogatz, for telling the story with such clarity & humour; Albert-László Barabási, for revealing the the inevitability and impact of hubs; Mark Buchanan, for his in...

Title: The Man Who Fooled The World
Runtime: 46:09
Date posted: 9 months ago
Description: Discover the explosive story of Alfred Nobel. Sponsored by Opera - Upgrade your browsing experience with Opera today. Download it right here: https://opr.as/Opera-browser-veritasium

If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

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CORRECTIONS:
30:36 The molecular chain we showed here when talking about cellulose was actually starch, the glycosidic bonds should be bent (beta) not straight (alpha) bonds - Thank you to someriversong1793 for spotting this
37:38 The animation shows the casing flying away with the bullet, this is incorrect, only the bullet accelerates down the barrel like that - Thank you to kettusnuhveli for pointing this out
...

Title: How to solve any maze
Runtime: 2:56
Date posted: 9 months ago
Description: By following this algorithm you can solve any maze in the world.

Title: What Happens When You Spin a Football?
Runtime: 1:58
Date posted: 10 months ago
Description: The real impact of spin on a football—explained with ⁨@tombrady.

Title: Why Do Escalator Steps Have Teeth?
Runtime: 22:18
Date posted: 10 months ago
Description: The surprising science of escalators. Sponsored by Brilliant - check out https://brilliant.org/veritasium to start learning for free.
Plus, our viewers get 20% off an annual Premium subscription for unlimited daily access to all Brilliant courses.

In 2025, we launched the Elements of Truth game on Kickstarter and were thrilled by the response. We’re now in the final stages of production, with Kickstarter rewards shipping soon. If you missed the campaign, you can now pre-order the retail edition through our new website here -https://ve42.co/EscalatorsDesc

If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

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A massive thank you to Emily Zhang for suggesting this idea and helping shape it.

A huge thanks to the team at OTIS, especially Ed Jacovino, Gregory Sefcik and Dirk Winkelhake, for their time and expertis...

Exposing Why Farmers Can't Legally Replant Their Own Seeds

Title: Exposing Why Farmers Can't Legally Replant Their Own Seeds
Runtime: 46:59
Date posted: 10 months ago
Description: This is the history of Monsanto’s herbicides… Sponsored by Incogni - Use code veritasium at https://incogni.com/veritasium to get an exclusive 60% off.

If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

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▀▀▀
A huge thank you to Carey Gillam at the New Lede, Nathan Donley at the Center for Biological Diversity, and Bart Elmore at Ohio State University for their time and expertise on the topic.

A very special thank you to Prof. Dr. András Székács at the Hungarian University of Agriculture and Life Sciences

Check out Carey Gillam’s books here — https://ve42.co/Gillam
Check out Bart Elmore’s book here —...

How aerogel can make the ocean drinkable

Title: How aerogel can make the ocean drinkable
Runtime: 2:43
Date posted: 10 months ago
Description: This short was made in support of #TeamWater

💧Support Team Water Here: https://www.TeamWater.org

The biggest YouTuber collab just happened on YouTube! Hundreds of creators got together to post a video about Team Water, a fundraiser launched by @MrBeast and @MarkRober to raise $40 million to give people all over the world clean drinking water!

Special thanks to Xi Shen and his team at The Hong Kong Polytechnic University for all their help. ACS Energy Lett. 2025, 10, 7, 3419–3429.

This is the natural disaster to worry about

Title: This is the natural disaster to worry about
Runtime: 41:07
Date posted: 10 months ago
Description: The strange natural material that reshaped the world. Sponsored by Ground News -
Go to https://groundnews.com/Ve to see through media misconceptions and get all sides of every story. Subscribe to save 40% off the unlimited Vantage Plan through our link.

If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

▀▀▀
A huge thanks to Professor James Busfield, Dr. Katrina Cornish, and Dr. Judit Puskas

We’re incredibly grateful to Toby Samples and the team at ARDL for their time and expertise.

Thanks also to Joe Jackson, Dr. Kevin Krause, Dr. Peter Polyak, Donald Shultz, Professor Robert Weiss for all their help on the project.

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0:00 Where does rubber come from?
2:59 What is rubber?
5:10 Why is rubber so stretchy?
6:29 The problem with natural rubber
9:02 Cured Rubber
15...

Title: Can you swim in shade balls?
Runtime: 2:28
Date posted: 10 months ago
Description: I bought 10,000 shade balls and tried to swim in them.

They appear to act like a non-Newtonian fluid: rigid under high shear stress, but they flow like a liquid under low shear.

Title: Testing the US Military’s worst idea
Runtime: 1:00
Date posted: 11 months ago
Description: Rods from God.

This is the nickname for a theoretical space weapon, in which large rods of tungsten would be dropped onto Earth based targets.

The idea behind this weapon is that the projectiles would build up enough speed, and thus kinetic energy, which would cause bomb-like destruction on the ground below.

The concept was devised during the Cold War but has faced heavy criticism both logistically and scientifically.

However, it has certainly made its mark on science fiction, both appearing in and being referenced across many media, from TV to video games.

But could it work in practice?

We tested to find out.

The Perfect Battery Material Is Dangerous

Title: The Perfect Battery Material Is Dangerous
Runtime: 34:42
Date posted: 11 months ago
Description: High-energy rechargeable batteries seemed impossible, until we made them. Sponsored by CodeRabbit. Cut code review time and bugs in half. Try CodeRabbit at https://coderabbit.link/veritasium

If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

▀▀▀
0:00 What’s inside a battery?
4:11 How does a battery work?
7:15 How did we increase battery power?
11:13 The first rechargeable lithium battery
13:29 The Tiny Needles That Kill Batteries
16:06 Goodenough? We can do better
20:07 The birth of the lithium-ion battery
27:10 Why do batteries explode?
29:31 Blowing up a battery

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A massive thank you to Dr Billy Wu, Dr Sam Cooper, Dr Derek Sui, Professor Magda Titirici, Dr Jingyu Feng, Dr Monica Marinescu, Li Ren Thow, Genlin Liu and Sam Riley; and to Professor Guillermo Rein, Dr Harry Mit...

The blue LED was almost impossible to make

Title: The blue LED was almost impossible to make
Runtime: 1:43
Date posted: 11 months ago
Description: LED's don't get their colour from their plastic covers. The blue LED was supposed to be impossible—until a young engineer proposed a moon-shot idea.

The Strange Math That Predicts (Almost) Anything

Title: The Strange Math That Predicts (Almost) Anything
Runtime: 32:32
Date posted: 11 months ago
Description: How a feud in Russia led to modern prediction algorithms.
👉 To try everything Brilliant has to offer for free for a full 30 days, visit https://brilliant.org/veritasium. You’ll also get 20% off an annual premium subscription.

If you’re looking for a molecular modeling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

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▀▀▀
A huge thank you to Brian Hayes, David Aldous, Geoff Engelstein, Jeffrey Rosenthal, Jimmy He, Mark Priestley, Michael Choi, Peter Norvig, Sam Power, and Thomas Haigh for their invaluable expertise and contributions to this video.

And a special thank you to Madeline Johnson for her excellent fact-checking.

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0:00 The Law of Large Numbers
4:37 What is a Markov Chain?
9:43 Ulam and Solitaire
12:21 Nucl...

Why do all animals jump to about the same height?

Title: Why do all animals jump to about the same height?
Runtime: 1:39
Date posted: 11 months ago
Description: All animals jump to about roughly the same height, but why is this? Aren't some animals bigger and stronger than others?

Why did light bulb lifetimes get shorter?

Title: Why did light bulb lifetimes get shorter?
Runtime: 1:36
Date posted: 12 months ago
Description: Planned obsolescence, explained. #veritasium #engineeering #lightbulbs

Title: This mechanism shrinks when pulled
Runtime: 23:07
Date posted: 1 year ago
Description: How an unlikely physics paradox controls these counterintuitive structures. Sponsored by Incogni - Use code veritasium at https://incogni.com/veritasium to get an exclusive 60% off.

If you’re looking for a molecular modeling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

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▀▀▀
A huge thank you to Paul Ducarme and Bas Overvelde at AMOLF for showing us around.
Check out their research on counter-snapping structures here - https://ve42.co/CounterSnapping

For more on Braess’s Paradox, check out these great videos by Up and Atom (https://youtu.be/cALezV_Fwi0) and Steve Mould (https://www.youtube.com/watch?v=Cg73j3QYRJc)

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0:00 What happens if you cut this rope?
1:41 The Spring Paradox
4:59 New York’s Perplexing Discovery
6:2...

There are 96 million black balls on this lake

Title: There are 96 million black balls on this lake
Runtime: 1:07
Date posted: 1 year ago
Description: I took a boat through 96 million black plastic balls on the Los Angeles reservoir to find out why they're there.

The first time I heard about shade balls the claim was they reduce evaporation.

But it turns out this isn't the reason they were introduced.

The Obviously True Theorem No One Can Prove

Title: The Obviously True Theorem No One Can Prove
Runtime: 42:34
Date posted: 1 year ago
Description: This deceptively simple math problem has stumped mathematicians for almost 300 years! 👉 Head to https://hensonshaving.com/veritasium and enter code 'Veritasium' for 100 free blades with the purchase of a razor. Make sure to add both the razor and the blades to your cart for the code to take effect.

If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

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▀▀▀
A huge thank you to Steven Strogatz, Alex Kontorovich, Harald Helfgott, Senia Sheydvasser, Jared Duker Lichtman, Roger Heath-Brown, Kevin Ford, Carl-Fredrik Nyberg Brodda, Kaneenika Sinha & Shehzad Hathi for their invaluable expertise and contributions to this video.

Look out for the upcoming @fern-tv video on the tragic life of Srinivasa Ramanujan! A huge thank you to Ruben Katsc...

The Biggest Misconception in Football (ft. Tom Brady)

Title: The Biggest Misconception in Football (ft. Tom Brady)
Runtime: 27:17
Date posted: 1 year ago
Description: Even the GOAT Tom Brady can’t throw a perfect spiral. Here’s why. 🌏 Get exclusive NordVPN deal here ➵ https://NordVPN.com/veritasium It’s risk free with Nord’s 30 day money-back guarantee!✌

If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

Sign up to the Veritasium newsletter for weekly science updates - https://ve42.co/Newsletter

▀▀▀
Thank you so much to everyone who voted for this video to win the people's voice awards for best creator-to-creator collaboration at the 2026 Webby Awards. We couldn't have done it without you. Thank you again for all your support!

A huge thank you to Tom Brady for coming and throwing some footballs with us and letting us analyse his throw. You can check out his channel here: https://www.youtube.com/@tombrady

Also thank you to Kevin Bonner and the team at Shadow ...

Title: Why do planes fly so high?
Runtime: 1:04
Date posted: 1 year ago
Description: Now, it’s true that one of the benefits of flying at 30,000 ft is a smoother ride. This is high in the troposphere, the layer in which most weather occurs. So, there’s less turbulence and fewer storms to navigate around.

But this is not the main reason that planes fly so high.

How One Company Secretly Poisoned The Planet

Title: How One Company Secretly Poisoned The Planet
Runtime: 54:08
Date posted: 1 year ago
Description: The biggest chemical cover up in history. PFAS has polluted the entire global water system. Now, potentially dangerous forever chemicals are being found in the entire US population. Go to https://groundnews.com/Ve to get all sides of every story. Subscribe to save 40% off the unlimited Vantage Plan through our link.

If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

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▀▀▀
0:00 Killed by Fridges
5:27 Teflon and The Manhattan Project
7:59 Teflon is Tricky
11:37 The Teflon Revolution
13:27 Earl Tennant's Farm
17:34 Inside DuPont
20:28 Fluoride In Drinking Water
25:00 It's bigger than that
29:23 What is...

How a Student's Question Saved This NYC Skyscraper

Title: How a Student's Question Saved This NYC Skyscraper
Runtime: 33:39
Date posted: 1 year ago
Description: How a single phone call from a student helped uncover a flaw that nearly toppled Citicorp. Get an exclusive 15% discount on Saily data plans! Use code veritasium at checkout. Download Saily app or go to https://saily.com/veritasium

If you’re looking for a molecular modeling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV

Correction: From construction images of Citicorp, sharp-eyed viewers might see that the mid-V columns are still there. Those columns help prevent buckling of the diagonal and the weight of people on the floor above, but do not take the majority of the gravity load. So we left them out of our diagram to clearly explain the load paths. See page 70 of this source for more details - https://drive.google.com/file/d/1ODFo66-_V7Y9vKANbj53mQ0z20RZ2Uai/view

Sign up to the Veritasium newsletter for weekly science updates - https://ve42.co/Newsletter

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0:...

Title: Why we put spiders on soccer balls
Runtime: 1:02
Date posted: 1 year ago
Description: How jumping spiders reveal an entire secret world of colors.

Title: The Biggest Misconception in Physics
Runtime: 27:40
Date posted: 1 year ago
Description: Why does energy disappear in General Relativity? 👉 Use code VERITASIUM to get 50% off your first monthly KiwiCo Crate! https://www.kiwico.com/VERITASIUM

Try Snatoms! A molecular modelling kit I invented where the atoms snap together.
https://ve42.co/SnatomsV

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▀▀▀
A huge thank you to Prof. Geraint Lewis, Prof. Melissa Franklin, Prof. David Kaiser, Elba Alonso-Monsalve, Richard Behiel, Prof. Leo Stein and Jakob Schwintenberg for their invaluable expertise and contributions to this video.

Special thanks to Alessandro from ScienceClic for his help on animations and input on the script. Check out his excellent video on Noether’s theorem here: https://www.youtube.com/watch?v=hF_uHfSoOGA

▀▀▀
0:00 What is symmetry?
4:25 Emmy Noether and Einstein
7:33 General Covariance
11:59 The Prin...

Title: Can you solve this SAT question?
Runtime: 1:33
Date posted: 1 year ago
Description: How an SAT question became a mathematical paradox.

Title: The Most Controversial Idea In Math
Runtime: 33:01
Date posted: 1 year ago
Description: How do you make infinite choices? 👉 To try everything Brilliant has to offer for free for a full 30 days, visit http://brilliant.org/veritasium. You’ll also get 20% off an annual premium subscription.

Try Snatoms! A molecular modelling kit I invented where the atoms snap together.
https://ve42.co/SnatomsV

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▀▀▀
A huge thank you to Dr Asaf Karagila, Prof. Alex Kontorovich, Prof. Joel David Hamkins, Prof. Andrew Marks, Prof. Gabriel Goldberg and Prof. Elliot Glazer for their invaluable expertise and contributions to this video.

Head over and sign up to our Patreon for some exclusive behind the scenes footage, showing how the animations and illustrations for this video were made - https://www.patreon.com/posts/patreon-behind-126443880?utm_medium=clipboard_copy&utm_source=copyLink&utm_campaign=postshare_creator&utm_content=j...

Title: Can you solve the prisoner's riddle?
Runtime: 1:42
Date posted: 1 year ago
Description: There is a riddle that is so counterintuitive, it still seems wrong even if you know the answer.

The 100 prisoners problem - comment your answer!

How this helicopter survived 1004 days on Mars, then disappeared...

Title: How this helicopter survived 1004 days on Mars, then disappeared...
Runtime: 29:08
Date posted: 1 year ago
Description: How a helicopter built of phone parts survived Mars for 3 years. Use code veritasium at https://incogni.com/veritasium to get an exclusive 60% off an annual Incogni plan.

Try Snatoms! A molecular modelling kit I invented where the atoms snap together.
https://ve42.co/SnatomsV

Correction:
0:12, we say that ingenuity is 680g which is its weight on Mars. On Earth however, it weighs around 1800g.

Clarifications:
- A Patreon supporter named Zeus pointed out that we were wrong about Perseverance's/Ingenuity's position on Mars. It is in the Northern Hemisphere and hence Mars would be getting closer to the Sun as it goes into winter.
- Ingenuity was on Mars for 1004 Earth days.

Sign up to the Veritasium newsletter for weekly science updates - https://ve42.co/Newsletter

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A massive thank you to the team at JPL and especially Teddy Tzanetos, Travis Brown, Håvard Grip and DC Agle

...

Something Strange Happens When You Trust Quantum Mechanics

Title: Something Strange Happens When You Trust Quantum Mechanics
Runtime: 33:01
Date posted: 1 year ago
Description: Does light take all possible paths at the same time? 🌏 Get exclusive NordVPN deal here ➵ https://NordVPN.com/veritasium It’s risk free with Nord’s 30 day money-back guarantee!✌

In 2025, we launched the Elements of Truth game on Kickstarter and were thrilled by the response. We’re now in the final stages of production, with Kickstarter rewards shipping soon. If you missed the campaign, you can now pre-order the retail edition through our new website here -https://ve42.co/LA2Desc

A massive thank you to Dr. Andrew Mitchell for all his help and expertise. If you want to delve further into this topic then we highly recommend his lecture on Classical physics derived from quantum mechanics: https://www.youtube.com/watch?v=2iuLwWDYC4U&t=1s

We’re incredibly grateful to Prof. David Kaiser, Prof. Steven Strogatz, Prof. Geraint F. Lewis, Elba Alonso-Monsalve, Prof. Christopher S. Baird, Prof. Anthony Bloch, and Prof. Stephen Bartlett for their...

The Blender Question Everyone Gets Wrong

Title: The Blender Question Everyone Gets Wrong
Runtime: 20:13
Date posted: 1 year ago
Description: Are you smart enough to solve this Google interview question? Use code veritasium at https://incogni.com/veritasium to get an exclusive 60% off an annual Incogni plan.

A massive thank you to Dan Goldman, Jeff Aguilar, Daniel Soto and Georgia Tech’s Complex Rheology And Biomechanics Lab
We’re incredibly grateful to Carl Zimmer, Gayle McDowell, and Geoffrey West

Correction: Dan Goldman is a Professor of Physics not Biomechanics.

We have a tabletop game launching! Pledge your support now - https://ve42.co/KickStarterD

▀▀▀
0:00 Hard Google Interview Question
2:34 How do Geckos stick to walls?
5:58 Do physicists know the answer?
7:01 The Square-Cube Law
9:10 Tiny Superheroes
10:23 Simulating the problem
13:36 Adding Air Resistance
15:14 The End?
16:16 What would happen if you were shrunk?
17:39 What interviewers actually look for

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Try S...

Title: This Is The Perfect Bowling Strategy
Runtime: 2:06
Date posted: 1 year ago
Description: What is the optimal strategy for bowling? #science #veritasium #physics #bowling

AlphaFold - The Most Useful Thing AI Has Ever Done

Title: AlphaFold - The Most Useful Thing AI Has Ever Done
Runtime: 24:52
Date posted: 1 year ago
Description: The biggest problems in the world might be solved by tiny molecules unlocked using AI. Take your big idea online today with https://ve42.co/hostinger - code VE at checkout.

A huge thank you to John Jumper and Kathryn Tunyasuvunakool at Google Deepmind; and to David Baker and the Institute for Protein Design at the University of Washington for their invaluable expertise and explanations.

We’re incredibly grateful to Juanita Bagawan and Lucie Kerley at Google Deepmind, and Ian C. Haydon at the UW Institute for Protein Design for their assistance with some of the animation and imagery used in this video.

Special thanks to those at Google DeepMind Production Studios for their help interviewing John Jumper:
Director - Bernardo Resende
Director of Photography - Robert Messere
Senior Audio Technician - Perry Rogantin
Senior Production Coordinator - Sarah Ellen Morton
Studio Manager - Nicholas Duke

For more on ...

Title: Can You Keep Zooming In Infinitely?
Runtime: 21:29
Date posted: 1 year ago
Description: Here’s what happens when you just keep zooming in. Use code veritasium at https://incogni.com/veritasium to get an exclusive 60% off an annual Incogni plan.

In 2025, we launched the Elements of Truth game on Kickstarter and were thrilled by the response. We’re now in the final stages of production, with Kickstarter rewards shipping soon. If you missed the campaign, you can now pre-order the retail edition through our new website here -https://ve42.co/SeeingAtomsDes

A big thank you to Magnus Garbrecht from the University of Sydney for showing us around the lab and for his feedback on the script.

Special thanks to Quentin Ramasse for his expertise on the video.

Sign up to the Veritasium newsletter for weekly science updates - https://ve42.co/Newsletter

▀▀▀
0:00 Why is it hard to see atoms?
2:12 How does an electron microscope work?
4:09 Transmission Electron Microscope (TEM)
5:11 Spherica...

Why Super Glue Is Perfect For Gluing Skin

Title: Why Super Glue Is Perfect For Gluing Skin
Runtime: 26:20
Date posted: 1 year ago
Description: Why does superglue always stick to your hands and never what you want it to? Get a little smarter every day with Brilliant. Visit https://brilliant.org/veritasium for a 30-day free trial and 20% off your annual premium subscription.

A heartfelt thank you to Dr. Allison Christy and Dr. John Bobo for their invaluable expertise, fresh perspectives, and explanations.
Thank you to Emily Von Stein and Chris Masahiro at Aron Alpha, Dr. Chantelle Champagne, and Dr. Rohit Gupta for their time and contributions to the initial research that laid the groundwork for this project.

Try Snatoms! A molecular modelling kit I invented where the atoms snap together.
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ANIMATION CORRECTION:
At 4:52, the negative charge should be drawn on the carbon at the end of the chain, not on the second to last carbon. This also holds...

Title: Why Is MIT Making Robot Insects?
Runtime: 21:16
Date posted: 1 year ago
Description: What happens when you shrink robots down to the size of insects? Let’s explore the mind-bending physics behind their superpowers! Engineers get Onshape Professional free up to 6 months: go to https://www.onshape.pro/veritasium to create CAD models and bring your ideas to life.

▀▀▀
00:00 The Problem Of Surface Tension
3:16 How Does A Bee Fly?
7:08 What Powers Something So Small?
8:16 Tiny Muscles
10:36 Pogo Sticks On Mars
11:27 Mini Search Parties
13:29 Swarms Of Spybots
15:55 Penny Sized Combustion Engines
18:40 Science For Science’s Sake

▀▀▀
A massive thank you to Kevin Chen and the Soft and Micro Robotics Laboratory at MIT.
for hosting us and showcasing their incredible robots. Do check out their paper Acrobatics at Insect Scale: https://www.science.org/doi/10.1126/scirobotics.adp4256
We’re incredibly grateful to Mechanical Engineering at Cornell and the Harvard Micro...

Why Don’t Railroads Need Expansion Joints?

Title: Why Don’t Railroads Need Expansion Joints?
Runtime: 27:20
Date posted: 2 years ago
Description: How Thermite turned the clickety-clack of railroads into seamless, silent tracks. Get an exclusive 15% discount on Saily data plans! Use code veritasium at checkout. Download Saily app or go to https://saily.com/veritasium
A massive thank you to everyone at Goldschmidt for making this possible. With special thanks to Dr. Axel Hoeschen, Christof Gassmann and Claudia Koch.

If you want to learn all the details about why we don’t need expansion joints anymore, check out Grady’s excellent video here: youtu.be/zqmOSMAtadc

If you’re looking for a molecular modeling kit, try Snatoms, a kit I invented where the atoms snap together magnetically. https://snatoms.com/

Sign up to the Veritasium newsletter for weekly science updates - https://ve42.co/Newsletter

▀▀▀
00:00 The problem with continuous welded rail
03:33 How to weld two rails together
10:16 Why is rapidly cooled steel brittle?
11:40 Thermite ...

The Man Who Took LSD and Changed The World

Title: The Man Who Took LSD and Changed The World
Runtime: 33:40
Date posted: 2 years ago
Description: LSD-fiend, surfer, maverick — Kary Mullis might be the weirdest person ever to win the Nobel Prize. Get a little smarter every day with Brilliant. Visit https://brilliant.org/veritasium to get 20% off your annual premium subscription.

A massive thank you to Tom White, Hudson Freeze, and Henry Erlich for their time and expertise on the subject.

A huge thank you to Eleni Kleanthous, Jan Novoselec, Kieran Sparkes, Andrew Garcia, and UCSD’s Pride Lab for reviewing the science.

For great coverage of the PCR story, check out ‘Making PCR’ by Paul Rabinow - https://ve42.co/Rabinow1996

For exclusive behind-the-scenes content on the making of this video, join us on Patreon: https://www.patreon.com/posts/119438561

00:00 DNA under a microscope
01:17 Kary Mullis at Berkeley
02:50 Cetus and early biotech
04:16 How to detect sickle cell anemia
09:12 Kary Mullis at Cetus
10:39 Infinite DNA glitch exp...

This Is the Oldest, Weirdest Instrument On Earth

Title: This Is the Oldest, Weirdest Instrument On Earth
Runtime: 11:15
Date posted: 2 years ago
Description: This musical instrument is 400,000+ years old and still growing. 🌏 Get exclusive NordVPN deal here ➵ https://NordVPN.com/veritasium It’s risk free with Nord’s 30 day money-back guarantee!✌

Special thanks to Luray Caverns - https://luraycaverns.com/
A massive thanks to Rob Scallon, please check out his YouTube channel -- he posts some incredible videos, like this one -- https://youtu.be/cVqqNigImtU?si=otDDVq_00xB3qCy6

▀▀▀
Join us on Patreon for early access videos, bonus content, and to support Veritasium! https://ve42.co/PatreonDE

Patrons: Adam Foreman, Albert Wenger, Alexander Tamas, Anton Ragin, Autodidactic Studios, Bertrand Serlet, Blake Byers, Bruce, Dave Kircher, David Johnston, Evgeny Skvortsov, Farbod Mansorian, Garrett Mueller, Gnare, Greg Scopel, I. H., Juan Benet, KeyWestr, Kyi, Lee Redden, Marinus Kuivenhoven, Matthias Wrobel, Meekay, Michael Krugman, Orlando Bassotto, Paul Peijzel, Richard Sundvall, S...

Title: Explaining Pi With Pizza
Runtime: 0:57
Date posted: 2 years ago
Description: When the demonstration hits your eye and it explains the value of pi, that’s Newton! #veritasium #science #physics

Title: 34 Years Of Strandbeest Evolution
Runtime: 21:39
Date posted: 2 years ago
Description: The surprising genius of Strandbeests. Fight the data brokers with Incogni. Head over to https://incogni.com/veritasium to get 60% off your annual subscription.

A massive thank you to Theo Jansen, to learn more about him and his Strandbeests check out: https://www.strandbeest.com/

A special thank you to Adam Savage, check out his channel Tested over at: https://www.youtube.com/tested

If you enjoyed the Strandbeest song at the end, you can hear the whole thing on our Patreon: https://www.patreon.com/posts/by-popular-song-117493336

Also on Patreon: an extended bonus interview with Adam Savage https://www.patreon.com/posts/117886682

0:00 Creation of the Beests
2:40 Learning to walk
6:50 Overcoming the sand
9:00 Surviving the storms
11:46 Building muscle
14:27 A developing brain
17:39 Fossils and decay
18:13 Strandbeests and climate change
19:16 Legacy
20:03 The Virus i...

What They (Probably) Don't Teach You About Rainbows At School

Title: What They (Probably) Don't Teach You About Rainbows At School
Runtime: 27:11
Date posted: 2 years ago
Description: You probably don’t understand how a rainbow really works. Get a little smarter every day with Brilliant. Visit https://brilliant.org/veritasium to get 20% off your annual premium subscription.

Special thanks to Mats Vermeeren.

00:00 Most people don't understand rainbows
01:08 Light refraction explained
08:20 How does a rainbow form?
13:10 Circular rainbows
15:14 Why are rainbows curved?
17:30 Why can’t you see a rainbow with sunglasses?
18:43 Why is it brighter underneath a rainbow?
20:44 Different types of rainbow
23:46 Invention of the cloud chamber

▀▀▀
Join us on Patreon for early access videos, bonus content, and to support Veritasium! https://ve42.co/PatreonDE

Patrons: Adam Foreman, Albert Wenger, Alexander Tamas, Anton Ragin, Balkrishna Heroor, Bertrand Serlet, Bill Linder, Blake Byers, Bruce, Dave Kircher, David Johnston, Evgeny Skvortsov, Farbod Mansorian, Ga...

Title: How Dishwashers Actually Work
Runtime: 1:52
Date posted: 2 years ago
Description: I put cameras inside a dishwasher to wash away some common dishwasher myths. Learn more about the KitchenAid® 360° Max Jets Third Rack Dishwasher by visiting KitchenAid.com/veritasium #sponsored #kitchenaidambassador

What Actually Happened To Amelia Earhart?

Title: What Actually Happened To Amelia Earhart?
Runtime: 36:36
Date posted: 2 years ago
Description: The mistakes of Amelia Earhart’s final flight, and the physics that could have saved her. Use code VERITASIUM to get 50% off your 1st club crate when you join a club for kids aged 3+ or go to https://kiwico.com/veritasium

00:00 Amelia Earhart’s final flight
03:33 Who was Amelia Earhart?
05:36 The flight plan
07:13 How celestial navigation works
09:16 Invention of radio technology
12:02 Radio waves explained
22:44 Earhart makes her critical decision
24:55 Communication failures
28:30 “Gas is running low”
31:39 Her desperate final message
33:01 The small detail that could have saved her

Special thanks to Clifford Heath for his help putting together the radio demo, and the folks at the Victorian ARDF group for connecting us.

Thank you to Brian Harrison and Michael Murphy with the AWA Communication Technologies Museum for their assistance with early research.

Thank you t...

Title: The BEST way to tie your shoelaces
Runtime: 1:00
Date posted: 2 years ago
Description: Which is better - granny knot or square knot? Most of us are tying our laces wrong.

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