More than a third of social media posts suggested Alzheimer’s blood tests could screen healthy people without symptoms, conflicting with current recommendations. Accounts with explicit financial interests were more than three times as likely to promote testing for asymptomatic people.

Women prefer to work in fields with more female representation, which may help explain why women remain in the minority in many professions, suggests new research by Emory psychologists.

When policymakers and city officials plan for climate change, they rely on economic studies showing how extreme heat impacts violent crime, public health, energy grids and crop yields. However, a new study published in the Journal of the Association of Environmental and Resource Economists reveals a hidden problem in that research: the temperatures used in many climate-impact studies can contain substantial measurement error, leading researchers to misestimate the true impacts of temperature and, on average, potentially understate climate impacts by at least 15%.