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A six-year-old entered an iron lung after polio. More than 70 years later, he had become the world’s longest-known survivor

For many people, the iron lung belongs to history books, a symbol of the years when polio swept through communities before vaccines transformed public health. Rows of large metal cylinders once filled ...
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AI could end up too cheap to control

The AI industry’s investors and critics don’t agree on much. But many in each camp share at least one basic conviction: America’s top labs are about to make a killing. Capital markets have signaled ...