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Nearly half a billion people have diabetes, but most aren't getting the kind of care that could make their lives healthier, longer and more productive, according to a new global study of data from people with the condition. Many don't even know they have the condition. Only 1 in 10 people with diabetes in the 55 low- and middle-income countries studied receive the type of comprehensive care that's been proven to reduce diabetes-related problems.

Papers in leading psychology, economic and science journals that fail to replicate and therefore are less likely to be true are often the most cited papers in academic research, according to a new study.

Researchers analyzed camera trap data from across the continent to better understand how particular species of mammals respond to different types of human disturbance.