In “The Renoir Girls,” the English historian Catherine Ostler tells the beguiling, troubling and ultimately heartbreaking story of the Cahen d’Anvers family. By Leslie Camhi Our columnist on the month ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

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