The Plain View Project reviewed the posts made by a sample of police officers in eight cities.
Similar behaviour was found in every city sampled, raising concerns about the culture surrounding the police.
Al Jazeera's Kristen Saloomey reports.
Many Pentecostal churches in the Niger Delta offer to deliver people from witchcraft and possession - albeit for a fee.
Prince Philip has done the world an extraordinary service by exposing the racist hypocrisy of "Western civilisation".
Improving eco-efficiency within a capitalist growth-oriented system will not save the environment.