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Our relationship with cheese is a strange one. It often ranks among people's favourite foods – there are entire festivals dedicated to cheese, where it is eaten or even rolled down hills. Tasting cheese and pairing it with wines, chutneys and biscuits has been turned into an art form.

IBM has unveiled an advanced "quantum" processor that is part of an effort to build super-fast computers. These machines could revolutionise computing, harnessing the strange world of quantum physics to solve problems beyond reach for even the most advanced "classical" ones.

Featuring Matt Henderson. Check out https://www.kiwico.com/Numberphile and get 50% off your first month of any subscription. (sponsor) More links & stuff in full description below ↓↓↓ Matt Henderson: https://twitter.com/matthen2 More videos with Matt Henderson: https://bit.ly/MattHendersonPl

As world leaders met at the COP26 summit to debate how to tackle climate change, misleading claims and falsehoods about the climate spiralled on social media.

Many of the people on the FBI's cyber most wanted list are Russian. While some allegedly work for the government earning a normal salary, others are accused of making a fortune from ransomware attacks and online theft.

To play this video you need to enable JavaScript in your browser.Russia has carried out a missile test, destroying one of its own satellites. The action has caused international outrage because the debris could threaten the International Space Station (ISS) and satellites in low-Earth orbit.

Carina, a yoga teacher in Vienna, is not vaccinated against Covid-19 and wants to remain that way. So she is now under lockdown, like around two million other unvaccinated Austrians.

When Zhang Xiaotao woke up he was in a cave and somebody had lit a fire to keep him warm. He had no idea how he'd got there. Zhang's frozen unconscious body had been found by a passing shepherd who'd wrapped him in a quilt and carried him over his shoulders to safety. He was one of the lucky ones.

The US has condemned Russia for conducting a "dangerous and irresponsible" missile test that it says endangered the crew aboard the International Space Station (ISS). The test blew up one of Russia's own satellites, creating debris that forced the ISS crew to shelter in capsules.

Austria is placing about 2 million unvaccinated people in lockdown from Monday amid record infection levels and growing pressure on hospitals. Unvaccinated people will only be able to leave home for a limited number of reasons, like working or buying food.

The fugitive behind one of America's most notorious bank robberies has been identified after a 52-year search, law enforcement officials have announced. Ted Conrad was working as a teller at the Society National Bank in Cleveland, Ohio when he robbed his employer in July 1969.

There have been warnings from doctors and the UK's Health Security Agency that waning immunity is leading to deaths even of people who have had two doses of a Covid vaccine. So how much protection are we left with? Let's nail some basics.

Thank you to CuriosityStream for supporting PBS. For more information go to https://curiositystream.thld.co/PBSSPACETIME Check Out @PBSVitals here: https://youtu.be/FOL0Hs8UcNs What if there is no such thing as dark matter? What if our understanding of gravity is just wrong? New work is taking ano

Stilton, Cheshire, red Leicester. There are more than 700 cheeses produced in the UK, but in parts of the English-speaking world, a certain type is so ubiquitous that it's simply referred to as "cheese". 

The US is no stranger to extreme weather, but the climate emergency is creating bigger extremes, with ever bigger bills.

John Cleese has cancelled an appearance at Cambridge University after a visiting speaker was banned for a Hitler impression. The star, who said he had done a similar impression on a Monty Python show, said he was "blacklisting myself before someone else does".

A previously unheard song featuring two of The Beatles at the height of their fame has been given its world premiere after being rediscovered in a loft.The song, Radhe Shaam, was written and produced by broadcaster Suresh Joshi in 1968 and features Ringo Starr on drums and George Harrison on guitar.

Afghanistan's ex-finance minister has blamed the government's fall on corrupt officials who invented "ghost soldiers" and took payments from the Taliban. He said phantom personnel were added to official lists so that generals could pocket their wages.

A 17-year-old girl whose disappearance while jogging in north-west France sparked a huge police hunt has been found alive.The teenager was found in a state of shock in a takeaway about 10km (six miles) from where she had gone running.

The first Nasa mission since 1972 to put humans on the Moon's surface has been pushed back by one year to 2025. Few observers expected Nasa to make the previous 2024 date, because of a funding shortfall and a lawsuit over the landing vehicle.

An original Apple computer built by firm co-founders Steve Wozniak and Steve Jobs in 1976 has fetched $400,000 (£294,990) at auction in the US. The rare Hawaiian koa wood-cased Apple-1 - still functioning - is one of only 200 made and sold in kit form.

Death row inmate John Ramirez does not want to die alone; he wants to be comforted as he passes, by the hands of his pastor. But that request was denied by the Texas Department of Criminal Justice and now his final moments lie in very different hands - the US Supreme Court.

Watch all the Sustainability YTOs here: https://www.youtube.com/playlist?list=PLjq6DwYksrzxZ1dswOpw3dEXH4NTLXwOR How badly is our planet heating up? I’ve put together an experiment that asks: How much of an olympic-sized swimming pool would be filled with glacial meltwater in the time it takes to