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Spain could include Camp Nou final in bid to host 2035 Rugby World Cup
Roman-era battlefield mass grave discovered under Vienna football pitch
Trump announces sweeping new tariffs, upending decades of US trade policy
Canada to counter ‘unjustified’ US tariffs with 25% taxes on US cars, says Carney
Canadian company in negotiations with Trump to mine seabed
A crossword puzzle with a twist
Today’s puzzle illuminates one of the smash hits of theoretical computer science, a mind-boggling result that left even experts in the field gobsmacked.
We’ll get to that result (the PCP theorem) later. But first, to the challenge!
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