CBSE Class 10 Maths Assertion & Reasoning Questions (2025-26): Assertion & Reasoning questions are an important part of the competency-based questions in the CBSE Class 10 Maths exam. These questions ...
Feb. 6, 2026 Inspired by the shape-shifting skin of octopuses, Penn State researchers developed a smart hydrogel that can change appearance, texture, and shape on command. The material is programmed ...
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