Rod Paige, an educator, coach, and administrator who rolled out the nation’s landmark No Child Left Behind law as the first African American to serve as U.S. secretary of education, died Tuesday.

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Abstract: This article presents an active ball joint mechanism (ABENICS) enhanced by interactions of spherical gears. The gear-based joint drives three rotational degrees of freedom (RDoF) without ...

Flexibility is the ability of your joints to move through their full range of motion without pain or stiffness. It also refers to the pliability of the muscles that support the joints. Flexible ...

Abstract: This paper presents a control method to avoid the singularity problem in the newly developed active ball joint mechanism. This mechanism is based on gear meshing but allows the driving of ...

Because outcomes for patients with aortic disease are enhanced at programs with higher volumes, experienced practitioners, and extensive management capabilities, Multidisciplinary Aortic Team care is ...

1 Arthritis Research UK Centre for Adolescent Rheumatology, University College London, London, UK Correspondence to Dr Yiannis Ioannou, Arthritis Research UK Centre for Adolescent Rheumatology, ...

Walking is easy for most people and limits stress on joints. Swimming gives muscles a workout and helps with joint pain. Cycling can help reduce joint pain and improve balance. If you have joint pain, ...

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