A 15-year-old boy stormed a small regional airport in Arkansas with an AR-style rifle while demanding a plane — until he was stopped by a “heroic” pilot who ran and grabbed his own gun ...

Oral use of guanfacine by children and adolescents newly diagnosed with attention-deficit/hyperactivity disorder (ADHD) increases corneal aberrations but does not ...

This article was originally published with the title “ The Discovery of Stellar Aberration ” in Scientific American Magazine Vol. 210 No. 3 (March 1964), p. 100 doi:10.1038 ...