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According to dental experts, even the most diligent brushers might be making a few mistakes.

The heart of the last heir to the Austro-Hungarian Empire, Otto von Habsburg, is buried in Hungary following his funeral in Vienna.

Afghanistan used to produce more than 80% of global opium but a Taliban ban has cut that to a fraction.

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!✌ 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 invaluable contributions to this video. A special thanks to Mahesh Shenoy from FloatHeadPhysics for his help with this video. Check out his excellent intuitive video on the UV Catastrophe here (Sep 2024): https://www.youtube.com/watch?v=ALEDjjAVZSY We have a tabletop game launching soon! Pre-register for your limited edition now - https://ve42.co/prelaunch...

The contents of his late father's case led Antony Easton to uncover a rich and tragic history.

ChatGPT wrote a woman a suicide note and another AI chatbot role-played sexual acts with children, BBC finds.

Sir Anthony Hopkins, bullied and written off as a child, vowed to "show" his parents that he'd succeed.

This week alone, the Russian president unveiled two nuclear-capable weapons - but their value may be more symbolic than military.

The global market in this supplement is worth almost £3bn - a figure set to nearly double over the next decade.

The Gaudí-designed architectural marvel now stands at an impressive 162.91 metres.

Peru's Mashco Piro face a struggle to survive in the 21st Century, but locals want to help them.

While he has a penchant for cars and jets, the world's richest person reportedly lives a relatively modest life.

After drone sightings cause Zaventem airport near Brussels to close temporarily, Belgium turns to its European allies for help.

There are countless hair products and hacks circulating. Two trichologists bust four common haircare myths.

Discover Woody Allen business. Explore now, dont delay.

Sir Richard Knighton, the UK military chief, says his Belgian counterpart asked for assistance this week in the form of UK personnel and equipment.

Prof Nick Megoran says the picnic on Aka island is as remarkable as the 1914 Christmas Day truce.

Despite having worked with sharks for 30 years, Mexican Mauricio Hoyos never thought he would encounter one so close up.

You might not have heard of it, but can training your vagus nerve give you a moment or two of peace?

Italians and others are alleged to have paid large sums to fire at Bosnians risking their lives in besieged Sarajevo.

Pennies today cost nearly four cents each to make - more than twice the cost of a decade ago.

Scientists say the crocodiles hunted like leopards by climbing trees and killing prey below.

In emails released by Democrats, Epstein says Trump "knew about the girls". The White House says they are an attempt to "smear" the president.

Pavel Kashin was a well-known parkour enthusiast in Russia whose tragic death was captured in a series of photos taken as he performed a risky stunt.

Head to https://brilliant.org/Spacetime/ to start learning for free. Plus, our viewers get 20% off an annual Premium subscription for unlimited daily access to everything Brilliant has to offer Physics is this close to understanding the entire universe. And what lives in this gap? Many physicists think it’s the elusive graviton—the quantum particle of gravity—whose discovery will finally allow us to stitch together our two great theories of nature into a single master theory. But what is the graviton, and does it even exist? Help us determine the future of Space Time with the PBS Annual Survey: https://to.pbs.org/2025SurveyST Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Check out the Space Time Merch Store https://www.pbsspacetime.com/shop Sign up for the mailing list to get episode notifications and hear special announcements! https://mailchi.mp/1a6eb8f2717d/spacetime Search the Entire Space Time Library Here: https://search.pbsspace...