The Know Daily - Tuesday 10 March 2026

_{Read in 4m 12s ∙ Listening to PinkPantheress ∙}

The large tortoiseshell butterfly is no longer considered extinct in the United Kingdom after some early spring sightings in southern England. Once thought to have vanished in the 1960s, the striking orange butterfly is quietly making a return in places like Kent and Sussex. We’re so happy they’re fluttering back into our lives! 🥰

🎤 The fan effect

We’re all excited about Harry Styles’ upcoming tour, but fans aren’t the only ones getting ready. For cities hosting big gigs, concerts can trigger a surge of spending – benefiting hotels, restaurants, taxis and local shops as thousands of fans descend on a venue.

What is the concert economy?
Large tours now generate spending far beyond the ticket itself. Fans often travel long distances and spend on accommodation, transport, outfits, food and merchandise while attending shows. That money flows directly into local economies, from pubs and restaurants to transport and retail businesses.

Any examples?
One of the clearest examples is the impact of Taylor Swift’s Eras Tour, with estimates suggesting it boosted the US economy by $5bn. Experts dubbed the phenomenon “Swiftonomics” because of the way her concerts increased entire city economies. Governments and tourism bodies have even competed to host shows because the influx of fans can multiply spending across hotels, hospitality and tourism.

Ahead of Oasis’s reunion tour last year, research from Barclays shows that fans could collectively spend more than £1bn across its UK dates. In the UK alone, major tours helped push live music tourism spending to around £10bn in 2024, showing just how powerful the sector has become. 

What’s driving this?
Part of the reason is scale. Stadium tours attract hundreds of thousands of fans across multiple nights, effectively turning a concert into a short-term tourism boom for host cities. With ticket prices rising and experiences becoming more elaborate, live shows are increasingly treated as once-in-a-lifetime events – encouraging fans to spend more on the overall experience rather than just the music.

Will it just keep growing?
Well, economists increasingly point to the “fan economy” – a model where the relationship between artists and devoted followers drives entire ecosystems of spending. Analysts argue that fandom is shifting from consumption to participation, with fans actively shaping the value around artists. 

Part of that shift includes artists and brands offering rewards for loyal fans, like presale ticket access, exclusive merchandise or members-only content. As touring becomes one of the music industry’s biggest revenue drivers, that relationship between fans, artists and cities is likely to become even more central to how entertainment works.

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👷 A paternity leave rights campaign for the self-employed will see construction workers hand out condoms to MPs.

• The bigger story: Campaigners say self-employed fathers in the UK currently have no legal right to paternity leave or pay, unlike employees who can take two weeks off after the birth of a child. A recent poll found that, because of this, one in three dads didn’t take time off when their last child was born due to financial barriers. To highlight the gap, they will head to Westminster to give MPs condoms printed with the slogan “this lasts longer than our paternity leave”. 

👩‍⚕️ A long-distance operation has been completed in the UK for the first time after a surgeon used remote robotic surgery to help a patient 1,500 miles away.

⚽ Iranian women footballers have been granted asylum in Australia, while in the country for the Women’s Asian Cup, amid concerns for their safety if they returned to Iran. 

⚖️ Across the EU's five largest countries, the majority of people aged 16 to 39 gravitate towards the political centre (rather than right or left), new research has shown.

🏘️ The 20 most expensive streets in Britain have been revealed – houses in the priciest roads are on average £12.5m!

🛸 Detecting messages from life in other cosmoses is made harder by stormy space weather, according to researchers from a search for extraterrestrial institute funded by NASA.

💸 The tourist tax to stay overnight in this popular city will be doubled from April in a bid to reduce visitor numbers.

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Trivia answer: A) JW Anderson’s collaboration features windbreakers and preppy shirts… something tells us they’ll be hot property!

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