JEE Mains 2026: 10 Concept-Based Questions for Last-Minute Revision

With JEE Main 2026 Session 1 starting on January 21, test your preparation with 10 formula-free, concept-based questions from ...
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Measuring the expansion rate of the universe - Hubble constant tension explained

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...
BMJ

The physical activity paradox: six reasons why occupational physical activity (OPA) does not confer the cardiovascular health benefits that leisure time physical activity does

1 National Research Centre for the Working Environment, Copenhagen, Denmark Physical activity (PA) is well documented to improve health. However, this documentation is restricted to leisure time ...