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Scientific Research

All articles tagged with #scientific research

health2 months ago

Harvard Professor Debunks 8-Hour Sleep Myth as Industrial Era Nonsense

Harvard biologist Daniel Lieberman criticizes the traditional 8-hour sleep rule, citing evidence that 6-7 hours is more typical and healthier for most adults, with the optimal range being around seven hours based on evolutionary and epidemiological data. Experts emphasize flexibility and quality over rigid targets, highlighting a U-shaped risk curve where both too little and too much sleep are associated with health risks.

health2 months ago

Microplastics Found in Human Body: What Are the Risks?

A recent study found microplastics embedded in penile tissue of men with erectile dysfunction, raising concerns about potential health impacts, though causality remains unproven. Researchers are exploring how microplastics may affect human health, especially reproductive health, using advanced models like organ-on-chip technology, amid ongoing debates about contamination and the ubiquity of plastics in our environment.

science-and-technology4 months ago

University of Michigan's ZEUS Laser Sets New Power Record with 2-Petawatt Beam

The University of Michigan's ZEUS laser has achieved a groundbreaking 2-petawatt power output, making it the most powerful laser in the US, enabling advanced experiments in high-field science, particle acceleration, and potential technological innovations, with future experiments aiming to simulate zettawatt-scale laser interactions.