Psychology & Psychiatry

Eye dilation sex specific but not sexually explicit, study finds

People's eyes dilate when they are looking at people they find sexually appealing—but new research from the University of Kent suggests that their response does not depend on whether the person being viewed is naked or ...

Neuroscience

Pupillary response signals uncertainty during decision-making

Whether it involves stopping at a traffic light or diving into freezing water to save someone from drowning: many of our everyday problems require snap decisions in the face of uncertainty. When making decisions, it has been ...

Diseases, Conditions, Syndromes

Using satellite images to better target vaccination

Satellite images that capture short-term changes in population size in communities in the developing world can help vaccination campaigns achieve more complete coverage to help prevent and control disease outbreaks. A team ...

Neuroscience

Does brain size really matter?

Brain size may matter. In the world's largest MRI study on brain size to date, USC researchers and their international colleagues identified seven genetic hotspots that regulate brain growth, memory and reasoning as well ...

Diseases, Conditions, Syndromes

New analysis explores the geographical origins of the flu

A computer model developed by scientists at the University of Chicago shows that small increases in transmission rates of the seasonal influenza A virus (H3N2) can lead to rapid evolution of new strains that spread globally ...

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