4 days ago · Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.

New research reveals the origins of stars, sleep-based treatments and the planet’s limits. A Solar Eclipse, Cancer Treatments and Robots with AI

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Drivers for ride-hailing apps helped evacuate people during the recent wildfires in the Los Angeles area. But by classifying such workers as contractors, California’s Proposition 22 excludes them from state rules that require companies to protect employees from workplace exposure to smoke

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With chemical spills and other accidents a common occurrence, it’s becoming more expensive to maintain the status quo than to make chemistry safer

April 8, 2024’s total solar eclipse, visible from parts of the U.S., Mexico and Canada, is the last opportunity to see this phenomenon across North America until 2044

The Laser Interferometer Space Antenna could discover gigantic ripples in spacetime from merging supermassive black holes and more. First Space-Based Gravitational Wave Detector Gets Go-Ahead