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SCIENCE

Why “No Problem” Can Seem Rude: Phatic Expressions

Tom Scott | November 11, 2025

“Hello!” “Thank you!” “You’re welcome!” These are all phatic expressions, and people can argue about them. Pull down the description for the references! MORE LANGUAGE FILES: https://www.youtube.com/playlist?list=PL96C35uN7xGLDEnHuhD7CTZES3KXFnwm0 Written with Gretchen McCulloch and Molly Ruhl. Gretchen’s new book, BECAUSE INTERNET, is available now: 🇺🇸 US: https://amzn.to/30tLpjT 🇨🇦 CA: https://amzn.to/2JsTYWH 🇬🇧 UK: […]


SCIENCE

The Two Generals’ Problem

Tom Scott | November 9, 2025

Time to tell a story about idempotency, computer science, and the Night of the Multiple Orders. • Sponsored by Dashlane —try 30 days for free at: https://www.dashlane.com/tomscott MORE BASICS: https://www.youtube.com/playlist?list=PL96C35uN7xGLLeET0dOWaKHkAlPsrkcha Written with Sean Elliott https://twitter.com/SeanMElliott/ Directed by Tomek Graphics by Mooviemakers https://www.mooviemakers.co.uk/ Audio mix by Haerther Productions https://haerther.net/ Thanks to […]


SCIENCE

Flying a plane with fireworks on the wings

Tom Scott | November 7, 2025

Aerosparx are a British aerobatics team that perform displays with fireworks attached to their wings. This is how they do it. More about Aerosparx: http://www.aerosparx.com/ Camera by Grant Stevens https://www.moonshineproductions.co.uk/ Ground display camera by Adam Landau Edited by Michelle Martin https://www.youtube.com/@OnTheCrux Audio mix by Graham Haerther http://haerther.net 🟥 MORE FROM […]


SCIENCE

I’m Not A Robot ✅

Tom Scott | November 4, 2025

What those boxes are for, and why you might not have to click them soon. • Sponsored by Dashlane —try 30 days for free at: https://www.dashlane.com/tomscott MORE BASICS: https://www.youtube.com/playlist?list=PL96C35uN7xGLLeET0dOWaKHkAlPsrkcha Written with Sean Elliott https://twitter.com/SeanMElliott/ Directed by Tomek Graphics by Mooviemakers https://www.mooviemakers.co.uk/ Audio mix by Haerther Productions https://haerther.net/ Thanks to Dashlane […]


SCIENCE

The Language Sounds That Could Exist, But Don’t

Tom Scott | November 2, 2025

The International Phonetic Alphabet: one sound for each symbol, and one symbol for each sound. Except for the sounds we can’t make. Pull down the description for the references! MORE LANGUAGE FILES: https://www.youtube.com/playlist?list=PL96C35uN7xGLDEnHuhD7CTZES3KXFnwm0 Written with Gretchen McCulloch and Molly Ruhl. Gretchen’s new book, BECAUSE INTERNET, is available now: 🇺🇸 US: […]


SCIENCE

The only bit of Louisiana’s coast that isn’t sinking

Tom Scott | October 31, 2025

On a coastline that’s steadily sinking under the waves, the Wax Lake Delta is rising: which is a wonderful thing for researchers.Historically, every time humans try and mess with the Mississippi, there have been unintended consequences: and even though we can now model it fairly well, there are still surprises. […]


SCIENCE

The toxic pit with a $3 admission fee

Tom Scott | October 29, 2025

The Berkeley Pit, in Butte, Montana, was once the richest hill on Earth: the Anaconda Copper Mine. Now: it’s not all that rich, and it’s not much of a hill. Instead, it’s a toxic pit filled with sulfuric acid. Thanks to the Montana Resources team: https://www.montanaresources.com/ REFERENCES AND FURTHER READING: […]


SCIENCE

What counts as the world’s shortest river?

Tom Scott | October 25, 2025

If you’ve been a subscriber for a while, you probably know where this one is going. Although you may still be surprised about where I ended up going… Montana’s Giant Springs State Park, and Lake Sumiainen in Finland, have very short rivers. Finding the shortest in the world, though: that […]


SCIENCE

These tunnels are designed for 100,000 years

Tom Scott | October 17, 2025

Onkalo, on the Finnish island of Olkiluoto, is planned to be the first geologic storage facility for high-level nuclear waste: eventually sealed for 100,000 years. I got to see inside. Thanks to all the team from Olkiluoto, TVO and Posiva: you can find out more at http://www.posiva.fi/en/final_disposal/onkalo Edited by Michelle […]


SCIENCE

Why Helsinki’s library robots aren’t important

Tom Scott | October 15, 2025

Oodi, the new Helsinki Library, has robots to help reshelve books. They get a lot of press attention. But they’re not the important part of the library: here’s why. Thanks to all the team at Oodi: https://www.oodihelsinki.fi/ Edited by Michelle Martin https://www.youtube.com/@OnTheCrux With thanks to librarian-YouTuber Peter Musser for script […]



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