A record-breaking Arctic polar vortex in 1996-1997 led to significant ozone depletion, comparable to the Antarctic's early 1980s levels. The study revealed that chemical interactions between nitric oxide and nitrogen dioxide chemistry played a crucial role in the depletion.
Alaska's snowmobiles carry higher injury death rates than on-road motor vehicles, with factors like alcohol intoxication, lack of helmets, and trail limitations contributing to the high risk.
Researchers at the US Department of Agriculture have created an anti-browning treatment that prevents apples from turning brown for up to five weeks. The new technique uses natural products and doesn't require special packaging, with potential applications in other fresh-cut fruits.
Researchers developed a code using first two letters of last name, first name, month of birth, year of birth, and sex. This allowed them to identify 124 HMO members with active TB listed in the state's registry but not known by their HMO
Cuba is seeking to diversify its economy through science, particularly in chemistry and genetic engineering, due to an overdependence on sugarcane. The country has made significant advancements in research, including vaccine development and treatments for various diseases.
Research reveals that the AHC gene, previously thought to program ovarian development, is actually crucial for male fertility. Males lacking this gene have defective testicles and are sterile. The study also found that overexpression of the AHC gene can interfere with the function of a key protein involved in testicular development.
This public health report features articles on drug prohibition and its impact, World Health Organization reform, and transportation safety. The report also discusses injuries associated with snowmobiles and farm tractors, as well as prenatal smoking data.
The current US drug policy is generating an epidemic of adverse health outcomes that disproportionately affect African Americans. Despite declines in drug use, cocaine-related and heroin-related emergency department visits and overdose deaths have climbed sharply.