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What rhymes with isosceles triangle? This French math teacher has the answer.

Education

Antoine Carrier, a middle school teacher in Bordeaux, southwest France, stays up late many nights, pen in hand, crafting math rhymes. Online, tens of thousands of kids know him as A’Rieka, the rapping math teacher. 

a student stands with her arms crossed in front of a domed building on MIT's campus

On campus, Jewish and Muslim students fear for their safety

Education
illustration

Exclusive: Inside an American hunt forward operation in Ukraine

Ukraine
Black, blue and grey illustration of man looking over small figures

The hacker Bassterlord in his own words: Portrait of an access broker as a young man

Hacking
Customers get out their smartphones and go silent as Shizuo Mori begins his pudding-fling serving technique that made him a viral sensation.

This 80-year-old pudding maker in Tokyo goes viral for his flan-flinging flair

Food
Left to right: Smoke from a wildfire over the Athens sky; a woman walks in a village during a period of drought; students hold up a banners; the Atlantic forest in Brazil.

VIDEO: ‘The Big Fix’ explores climate change solutions around the globe

The Big Fix

In the ongoing series, “The Big Fix,” The World reports on what communities, individuals, governments and businesses are doing to tackle the climate crisis.

US Army recruits in assumed position, wearing black t-shirts that have "ARMY" written across in bold yellow letters

The US military faces challenges on the homefront as recruitment shortages continue

Military

The US Army missed its target by 25% during the past fiscal year. Other branches of the military are also seeing a drop in recruiting.

Two players from Boston bruins and Montreal Canadiens hockey teams talk to each other on the ice

Montreal Canadiens superfans brace for historic record to be smashed

The Boston Bruins are on the verge of making history — eclipsing the Montreal Canadiens’ coveted record of most points scored in a regular season, set back in 1977.

Graphic of Chinese President Xi Jinping.

China’s tech weapons roll in to quell demonstrations, identify protesters

Free speech

The latest demonstrations across China ended when the central government unleashed a digital arsenal that was less deadly than the tanks used to quell the 1989 protests, but just as effective. China managed to use the internet to defuse national outrage over President Xi Jinping’s strict COVID-19 policies without firing a single shot.

Album covers of some of the allbums from artists included in the end-of-year music playlist with recommendations from The World staff. Clockwise, startiing from the top left corner: Adrian Quesada's "Boleros Psicodélicos," Sillvana Estrada's "Marchita," V

A musical journey around the globe 2022, a playlist

Music

Music is part of The World’s DNA and, as it turns out, it is something many of the show’s staff appreciate. This playlist with their recommendations will take you on a journey around the globe.