We measure the “warmness” of the dark matter, i.e. the comoving root-mean-square thermal velocity v hrms (1) , with nearly 3000 spiral galaxy rotation curves in the ...

Sports specialization in children and adolescents has increased significantly in recent years. Research indicates that up to 70% of youth athletes now specialize in a single sport by age 13 years.

Everyday Health’s team of board-certified physicians and health professionals contribute to the creation and review of content, ensuring that the information is useful, up to date, and accurate. Susan ...