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Tracing the cosmic web with star-forming galaxies in the distant universe

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A research group has revealed a picture of the increasing fraction of massive star-forming galaxies in the distant universe. Massive star-forming galaxies in the distant universe, about 5 billion years ago, trace large-scale structure in the universe. In the nearby universe, about 3 billion years ago, massive star-forming galaxies are not apparent. This change is […]

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Link between sleep, cognitive impairment in the elderly

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Daytime sleepiness is very common in the elderly with prevalence rates of up to 50 percent. Caused by sleep-disordered breathing (SDB), a disruption of normal breathing during sleep, these cause recurrent awakenings and subsequent excessive daytime sleepiness. Now a researcher stresses that it is time for physicians to consider the association between these sleep conditions […]

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Autism may begin early in brain development

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An overload of neural connections typically observed in autistic brains begins early in mammalian development, when key neurons in the brain region known as the cerebral cortex begin to form their first circuits, new research shows. By pinpointing where and when autism-related neural defects first emerge in mice, the study results could lead to a […]