Amy Lewis | Cochlear implants build bridges between the hearing and the deaf—but not everyone wants to cross
BACKGROUNDER | Evaluating environmental claims about natural gas cooking amid a regulatory clampdown
A research team at the University of Pittsburgh is working to help stroke victims regain the use of their arms
BACKGROUNDER | A veterinary tranquilizer is compounding a crisis of drug deaths
BACKSTORY | The challenges of reporting on America’s vaccine controversy
Emma Freire | On the third anniversary of lockdowns, experts reassess the sharp divide over COVID vaccines
BY THE NUMBERS | Lower prices will give financial relief to Americans living with diabetes
SCIENCE | Scientists hope a blood test can improve treatment
