LARUE COUNTY, Ky. — A Kentucky school district is taking a state law limiting cellphone use in classrooms a step further, creating a weekly screen-free class. While his classmates solved the quadratic ...

Abstract: In recent years, some propagation paths in the socialist core values have adopted invalid means to carry out the network propagation activities, which have seriously disrupted the normal ...

Multivariable equations are recommended by primary prevention guidelines to assess absolute risk of cardiovascular disease (CVD). However, current equations have several limitations. Therefore, we ...