ABSTRACT: The cosmic microwave background is often taken as definitive evidence for universal expansion. No static framework has yet reproduced its exact blackbody spectrum under known physical ...

Adolescence—beginning with the onset of puberty and ending in the mid-20s—is a critical period of development during which key areas of the brain mature and develop. These changes in brain structure, ...

3 School of Oral and Dental Sciences, University of Bristol, Bristol Dental School, Bristol, UK 4 School of Social and Community Medicine, University of Bristol, Canynge Hall, Bristol, UK 5 University ...