Electroretinography is a common technique for diagnosing and following up on eye conditions such as glaucoma, diabetic retinopathy, and retinitis pigmentosa. To perform an electroretinography exam, a device is placed against the eye that projects light onto it and measures the resulting electrical signals that are generated by the retina. Commercial electroretinography devices are rigid… Read More »
Neutrophils are critical immune cells for antimicrobial defense, but they can exacerbate a number of diseases, perhaps including COVID-19. The traditional approaches to study neutrophils in animal models are limited in specificity and effectiveness. EPFL scientists have now identified the problem and have developed a new, optimized model for studying the role of neutrophils in… Read More »
Why is handwashing so important? Put simply, your hands are dirty. As they come into contact with various people, animals, foods, and surfaces, they pick up thousands of germs, bacteria, viruses and other assorted nastiness that can make you sick if they enter your body. “We touch our eyes, noses, and mouths with our hands… Read More »
Experienced professionals tend to be better than rookies partly because they know how to use the tools of their trade more effectively. Cytologists who evaluate cells under a microscope become more consistent and accurate when they know how to prep their apparatus to produce clear images. Researchers at Duke University have now given a microscope… Read More »
Edith Veitch, now 17, was 10 when an audiologist diagnosed her hearing loss and fitted her with aids. Edith and her mother, Margo. Edith has arare disease that causes hearing loss. Her mother, Margo, a community college instructor in Illinois, is unsure when the hearing loss set in. “We don’t have [hearing loss] in the… Read More »