A unified physics theory explains how animals move by minimizing imperfections in their flows. The constructal law predicts relationships between body mass and speed, stride frequency, and muscle force, showing convergences across different species and environments.
A new study by UT Southwestern researchers found that coaching women to push during labor does not significantly affect the length of labor or long-term pelvic floor problems. However, coached women experienced shorter labors and smaller bladder capacities, with bladder function returning to normal over time.
A report found that large employers are more likely to cover preventive services, while smaller businesses lag behind. However, even among larger employers, coverage is not universal, with many failing to offer services to help employees quit smoking and adopt healthier lifestyles.