Microorganisms live in biofilms - the equivalent of microbial "cities"- everywhere on Earth. These city-like structures protect and house microbial communities and play essential roles in enabling ...

For most people, solving a problem is the reward—the relief of being done, the achievement of having figured it out.

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NYT Connections, a popular word game, challenges players to find thematic links among 16 words daily. The January 08, 2026 puzzle (game 942) offers a blend of knowledge and intellect. It tests ...

Abstract: We consider the dynamic inverse problem for a dynamical system with discrete time associated with a semi-infinite complex Jacobi matrix. We propose two approaches of recovering coefficients ...

Abstract: Recommender systems are essential in digital services for helping users find relevant items. One of the main challenges faced by these systems is the problem of sparsity, where limited ...