Genetics

DNA database sold to help law-enforcement crack cold cases

During the Christmas season, genetic genealogy companies offer discounts on testing kits. We should be increasingly concerned not only about the accuracy of the tests but also about giving the gift that gives away all the ...

Overweight & Obesity

Drop that donut! Mexico pays portly cops to slim down

It's a sunny morning in Mexico City, and police officers drip with sweat as they do push-ups and squats, part of a program for overweight cops in one of the world's most obese countries.

Diseases, Conditions, Syndromes

Rwanda begins vaccinating against Ebola

Rwanda on Sunday started a voluntary Ebola vaccination programme at its border with the Democratic Republic of Congo in a bid to prevent the spread of the deadly virus from its neighbour.

Psychology & Psychiatry

Sleep helps memory, right? Not for eyewitnesses

New research investigating the effect of sleep on eyewitness memory has found that having a period of sleep, compared to a period of wake, does not improve eyewitness identification accuracy.

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Police

A police service is a public force empowered to enforce the law and to ensure public and social order through the legitimized use of force.

The term is most commonly associated with police services of a state that are authorized to exercise the police power of that state within a defined legal or territorial area of responsibility. The word comes via French Policier, from Latin politia ("civil administration"), from ancient Greek πόλις ("city").

This text uses material from Wikipedia, licensed under CC BY-SA