Science and Technology OpenAI’s AI solves a mathematical problem that spanned decades, surprises experts, and raises a frightening question: have machines already started making scientific discoveries on their own? Noel Budeguer 22/05/2026 at 12:17
Geopolitics USA and China compete for Brazil over resources that could be worth trillions — rare earths put the country at the center of a global dispute Paulo Nogueira 03/04/2026 at 19:45