Grenfell's fire forced a rewrite of England's cladding rules
The Grenfell Tower fire exposed a cladding product that failed fire tests for 12 years. The Building Safety Act followed in 2022.
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Chile fought a war and gained a third of its territory
The Spanish colony met fierce Mapuche resistance in the south. Victory over Peru and Bolivia in the War of the Pacific then grew its territory by a third.
A cat-food tin, and the invention of the hovercraft
Christopher Cockerell tested his hovercraft theory with a coffee tin, a cat-food can and a vacuum cleaner, on the mud floor of his own boatyard.
A major book prize does not always lift sales
Winning a major literary prize can send a novel back to press within a day, but publishers say the sales lift is unpredictable and sometimes negligible.
A steel arch now covers Chernobyl's wrecked reactor 4
Chernobyl's reactor 4 had no containment structure to stop its 1986 explosion. In 2017 engineers slid the New Safe Confinement, a steel arch, over the ruin.
One Bronze Age wreck off Turkey began underwater archaeology
In 1960 George Bass, a Penn graduate student, led the first archaeologist-run dig of an ancient wreck. He later founded the Institute of Nautical Archaeology.
Galton's ox: a crowd's average guess landed within one per cent
At a 1906 Plymouth livestock show, 787 people guessed an ox's weight. Most were wrong, yet their average landed within one per cent of the truth.
George de Mestral turned burrs stuck to his dog into Velcro
De Mestral copied the hooks on burrs he studied under a microscope. Designers turned Velcro down, and the aerospace industry became its first customer.
Germany's small firms lead niche markets worldwide
Almost 99% of Germany's companies are Mittelstand firms, often family-run and exporting early, and many lead their whole niche worldwide.
Play style decides how long a game takes to beat
Play times for the same game vary widely. IGN, Kotaku and Eurogamer timings show why: side content, difficulty, and in-game deadlines.
Thalidomide: the sedative that rewrote US drug law
FDA reviewer Frances Kelsey's refusal to approve thalidomide in 1960 led to the US law requiring proof a drug is safe and effective.
Bulgaria's women's choirs sing from an open throat
Bulgaria's state women's choir built its sound on open-throat singing, a drone and clashing close intervals. The choral form dates to the Soviet era.
Bolivia's Law of Mother Earth gives nature legal rights
Bolivia's Law of Mother Earth grants nature 11 rights, including the right to exist and to remain free of pollution and genetic change.
Cheap Broadway tickets: rush, lottery and standing room
Rush seats cost $40 to $53 at the shows checked. Lotteries open the day before, and standing room goes on sale only for sold-out shows.
Neolithic builders aligned monuments to the solstice sun
Two wooden posts near Stonehenge may be the earliest solar sightline there. Later Neolithic tombs and stones caught the solstice sun too.
Ecuador's Panama hat took its name from where it was sold
The Panama hat is woven in Ecuador. It took the name of the place it was sold and shipped through, and a 1906 photo of Theodore Roosevelt made it stick.
England's FA Cup draw handed Mansfield a tie with Arsenal
The 2025-26 FA Cup draws paired eighth-tier Maldon & Tiptree with Port Vale and gave League One Mansfield Town a fifth-round home tie with Arsenal.
Ethiopia's constitution builds each state around an ethnic group
Ethiopia's 1995 constitution built its states on ethnicity, and lets any group that qualifies form its own. It has not stopped border violence.
Parish birth books gave way to civil records from 1837 to 1878
Civil registration replaced parish records at different times: 1837 in England and Wales, 1855 in Scotland, 1864 in Ireland, 1878 in Jamaica.
Delays sent the first nuclear reactor to a Chicago squash court
Arthur Compton moved the reactor under Stagg Field in 1942 after the planned site stalled. Enrico Fermi's team then ran the first chain reaction.
Fei-Fei Li built ImageNet while her field doubted data
Colleagues told Fei-Fei Li her plan to label 14 million images went too far. Three years after its release, it helped set off the deep learning boom.
The 1982 Falklands war left who owns the islands unsettled
The 1982 war restored British rule over the Falklands, but it left Argentina's claim to the islands exactly where the fighting found it.
The obituary said to inspire the Nobel Peace Prize is unproven
Alfred Nobel's will funded a prize for peace. The obituary usually credited for it traces to a French newspaper nobody has verified.
The UK's £400 energy bill grant cost £12bn and has closed
The UK's Energy Bills Support Scheme began as a £200 loan and became a £400 grant costing £12bn. It closed along with the seven other energy support schemes.