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World

Concerns mount over artificial intelligence as Silicon Valley sees AI boom

Tuesday, October 20 saw protests in more than 50 US cities against the rise of artificial intelligence. Demonstrators are calling for a moratorium on AI development, and the sentiment is shared by many: according to a recent study, 71 percent of Americans believe AI will lead to job losses. In the heart of Silicon Valley, record investment is now on a collision course with public fear and uncertainty. FRANCE 24's Pierrick Leurent and Valérie Defert report, with Wassim Cornet.

Science

One Mount Etna eruption took weeks. Another happened in hours

Mount Etna’s ancient eruptions followed radically different paths, with some magma lingering near the surface for weeks while other magma raced upward from nearly 30 kilometers deep in just hours. Scientists traced the difference to volcanic gases such as carbon dioxide and water, offering a powerful new way to understand and potentially anticipate explosive eruptions.