Homes are the front lines of military suicide prevention as nearly two-thirds of suicides occur at home using a firearm—nearly always a personal firearm. Because suicide risk decreases if a firearm is safely stored locked and unloaded researchers, led by Craig Bryan of the National Center for Veterans Studies at the University of Utah, surveyed military personnel […]

All air-breathing vertebrates have a larynx—a structure of muscles and folds that protects the trachea and, in many animals, vibrates and modulates to produce a stunning array of sounds. But birds, although they have larynges (plural of larynx), use a different organ to sing. It’s low in the airway, down where the trachea branches to […]