A balloon-like structure has been hiding in plain sight in the center of our galaxy.
Using South African Radio Astronomy Observatory’s MeerKAT telescope, professor Farhad Yusef-Zadeh and an international team of researchers discovered a gigantic, balloon-like structure in the center of the Milky Way. The newly spotted pair of radio-emitting bubbles spans hundreds of light-years. In this composite view, the sky to the left of the second-nearest antenna is the night sky visible to the unaided eye, and the radio image to the right has been enlarged to highlight its features.
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Last August, Northwestern audiology graduate students made the trek to Nuevo Progreso in western Guatemala to provide comprehensive care for the local residents. Over the course of four more-than-12-hour days, eight students worked alongside four professional audiologists to perform diagnostic testing and hearing-aid fittings.
“People have tried to classify personality types since Hippocrates’ time, but previous scientific literature has found that to be nonsense,” says William Revelle, professor of psychology and a self-proclaimed skeptic when it comes to personality types. So when his Northwestern colleagues Luís Amaral of the McCormick School of Engineering and Martin Gerlach, a postdoctoral fellow in Amaral’s lab, proposed a study to outline new personality types, Revelle balked.
Northwestern’s SuperAging Program studies the brains of older individuals with exceptional memories in order to better understand the science behind memory, aging and dementias such as Alzheimer’s disease.
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