Class 10 Board Exams 2026 begin February 17, 2026; Maths is the first paper. Solve the CBSE Class 10 Maths Basic Sample Paper 2026 for exam readiness. Maths Basic 2026 paper is for 80 marks and ...
Anthropic has published an updated constitution for Claude, its AI assistant, providing a structured framework that guides behavior, reasoning, and training. The constitution combines explicit ...
Objective To synthesise the evidence on the effects of physical activity on symptoms of depression, anxiety and psychological distress in adult populations. Design Umbrella review. Data sources Twelve ...
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