Almost 50% of black women had zero or negative wealth, according to one study.

CNN: How threat to Planned Parenthood hurts black mothers

Wiltshire Police warned motorists to take extra care after sub-zero temperatures turned snow on the roads to black ice in places.

BBC: Wiltshire snow: Gritting teams remain at work

Lehmann, the lead author of the paper which is published in the journal Nature Geosciences, said that the black carbon content of soils in the study ranged from zero to 82 percent of soil organic carbon.

CNN: Soil study hints at climate model revision

Big, hit Sony titles coming in 2013 exclusively on pay television to the STARZ channels and services include: The Amazing Spider-Man, 21 Jump Street, Zero Dark Thirty, The Vow, Men In Black 3, and Resident Evil: Retribution.

ENGADGET: Sony Pictures renews Starz exclusivity agreement, locks in until 2021

Boston, for instance, has seen similar falls in its murder rate, yet it rejected zero-tolerance policing in favour of close co-ordination between the police, probation officers and black leaders, and an effort to get guns off the streets.

ECONOMIST: The dark side of zero tolerance