Chemical Test Quickly Finds Cognitive Damage in Stroke Patients
Testing for three brain chemicals reveals impairment faster than standard neuropsychological exams
Stories by Charlie Quigg
![Bounce a Battery to Learn If It Is Still Good--Really [Video]](/public/resources/icon__SA-logo-placeholder--rect-3166a74694258e68c9c9fd6e14c45ff6.jpg){kind=icon}
Bounce a Battery to Learn If It Is Still Good--Really [Video]
Scientists prove that depleted AA batteries will bounce higher when you drop them, as inner material loses density
Plastics Change Color--and Back--in Less Than 1 Second
Smart windows and biosensors need the speed of these new polymers
