Despite having the most expensive health care system, the United States ranks last overall compared to six other industrialized countries—Australia, Canada, Germany, the Netherlands, New Zealand, and the United Kingdom—on measures of health system performance in five areas: quality, efficiency, access to care, equity and the ability to lead long, healthy, productive lives, according to a new Commonwealth Fund report. While there is room for improvement in every country, the U.S. stands out for not getting good value for its health care dollars, ranking last despite spending $7,290 per capita on health care in 2007 compared to the $3,837 spent per capita in the Netherlands, which ranked first overall.

"The objective was to evaluate the utility of cryo-preserved human amniotic membrane (HAM) as a support for repairing human articular cartilage injuries, which have a very limited capacity for self-healing", Francisco J. Blanco, lead author of the study and a researcher at the Institute of Biomedical Research of La Coruña (INIBIC), tells SINC.

The evolution of bird bills is related to climate according to latest research by the University of Melbourne, Australia and Brock University, Canada.

Between 33 and 77 million people in Bangladesh have been exposed to arsenic in the drinking water—a catastrophe that the World Health Organization has called "the largest mass poisoning in history." A new study published in the current issue of the medical journal The Lancet provides the most complete and detailed picture to date of the high mortality rates associated with this exposure, which began with the widespread installation of tube wells throughout the country 30 years ago—a measure intended to control water-bourne diseases.

The central dogma of molecular biology, as proposed in 1970 by Francis Crick and James Watson, holds that genetic information is transferred from DNA to functional proteins by way of messenger RNA (mRNA). This suggests that mRNA has but a single role, that being to encode for proteins.