2014 Antarctic ozone hole holds steady

2014 Antarctic ozone hole holds steady

The Antarctic ozone hole reached its annual peak size on Sept. 11, according to scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA). The size of this year's hole was 24.1 million square kilometers (9.3 million square miles) — an area roughly the size of North America.

Report examines health care challenges for pregnant women enrolled in covered California

NYU research: Majority of high school seniors favor more liberal marijuana policies

The United States is undergoing a drastic change in marijuana policy. Two states legalized recreational use for adults in 2012, and next week, citizens of Oregon, Alaska and the District of Columbia will vote for or against legalization in their area. The majority of the public now favor legalizing or decriminalizing marijuana use, but there is a lack of research examining how marijuana use and demographic characteristics relate to positions toward specific marijuana policies. For example, is it primarily marijuana users who support legalization?

ESA Frontiers November preview

Connectivity cost calculations for conservation corridors Where are conservation dollars best invested to connect fragmented habitats? Sara Torrubia and colleagues test their model balancing restoration costs with connection quality on the threatened Washington ground squirrel in eastern Washington State.

"Getting the most connectivity per conservation dollar," by Sara Torrubia, Brad H McRae, Joshua J Lawler, Sonia A Hall, Meghan Halabisky, Jesse Langdon, and Michael Case.

Sexual fantasies: Are you normal?

This news release is available in French.

Synthetic lethality offers a new approach to kill tumor cells, explains Moffitt researcher

Independent safety investigation needed in the NHS

The NHS should follow the lead of aviation and other safety-critical industries and establish an independent safety investigation agency, according to a paper published today by the Journal of the Royal Society of Medicine. The authors say the NHS has no consistent approach to investigating safety issues, and remains dependent on costly one-off independent or public enquiries to learn from the most serious failures, such as those contributing to the tragedies at Mid Staffordshire.

Doubt cast over air pollution link between childhood leukemia and power lines

Researchers from the UK have called into question a theory suggesting that a previously reported risk of leukaemia among children born close to overhead power lines could be caused by an alteration to surrounding air pollution.

Removal of heart medications by dialysis may increase risk of premature death


  • Among kidney failure patients on dialysis, beta blockers that are easily removed from the circulation through dialysis were linked with a higher risk of premature death than beta blockers that are not easily removed through dialysis.

    Beta blockers are the most commonly prescribed cardiovascular medications among dialysis patients.

  • Mediterranean diet may help protect kidney health


  • Every one-point increase in a Mediterranean diet score was associated with a 17% decreased likelihood of developing chronic kidney disease.

  • Dietary patterns that closely resembled the Mediterranean diet were linked with a 50% reduced risk of developing chronic kidney disease and a 42% reduced risk of experiencing rapid kidney function decline.

    More than 20 million US adults have chronic kidney disease.