In July of 2025, President Donald Trump reinstated the Presidential Physical Fitness Test,[1] a standardized evaluation of fitness for American school-age children. It includes a one-mile run, ...

I was on my fourth and final lap around the track during the mile run for my fifth-grade Presidential Fitness Test when it happened. My stomach gurgled, I stopped abruptly, and I bent over and heaved.

Proper respirator fit is the foundation of effective respiratory protection. Even the highest-quality respirator cannot protect a worker from hazardous contaminants if it does not seal correctly to ...

Colorectal cancer continues to be one of the leading causes of cancer-related deaths worldwide. However, recent advancements in medical screening have brought new hope in the fight against this deadly ...

A training, validation, and test split separates data used to fit parameters, choose models or settings, and estimate final ...