A teenager from Canada has discovered through painstaking research that many of the hand dryers you find in public restrooms may be dangerously loud for children's ears. The study by Nora Louise ...

Newly published research finds the noise from bathroom hand dryers may be harmful to children's ears. And the study's author can speak from personal experience. Thirteen-year-old Nora Keegan, from ...

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A novel electrocardiogram (ECG) method uses signals from the ear and hand to check heart rhythm. The ECG does not require two hands and could be used by drivers, athletes, and the military. A novel ...