Scientists at UCSC discovered the origin of the Hawaiian plume, a massive hot rock rising through the Earth and building islands for 80 million years. The research uses seismic waves to analyze the structure beneath Hawaii, revealing a localized transition from horizontal to vertical flow at the core-mantle boundary layer.
A study found that smoking-related illnesses and deaths have risen sharply in the US and France, with increased female smoking causing a steady increase in disease and mortality. The proportion of deaths attributable to cigarette smoking rose from 16.7% to 47.4% among American women.
The American Association of Pharmaceutical Scientists has recognized eight researchers with awards for their outstanding contributions to the field. Sung Wan Kim received the AAPS-Dale E. Wurster Research Award in Pharmaceutics for his work on controlled drug delivery systems, while Vincent H.L. Lee was honored with the Distinguished S...
Researchers have made a groundbreaking discovery of dinosaur embryos with fossilized skin, providing the first glimpse into the soft tissue covering baby dinosaurs. The ancient eggs were found to contain patches of delicate skin and tiny teeth, shedding light on the reproductive habits of giant plant-eating sauropods.
A new study by Emory researchers found that HIV patients treated with protease inhibitors are more likely to engage in risky sex, including inconsistent condom use. The study also reveals significant differences in condom use among men who had sex with men (MSM) and heterosexual men or women.
A team of researchers announces the discovery of thousands of eggs and dozens of unhatched dinosaur embryos containing fossilized skin, representing a number of scientific firsts. The embryos belong to giant plant-eating dinosaurs called sauropods and are found in the southern hemisphere.
A team of researchers has developed an electronic neural switch that mimics biological neural activity, paving the way for the creation of autonomous robots capable of thinking, learning, and seeking out new environments. The device uses nanoelectronic processors to transmit signals similar to those from nerve cells, enabling it to pro...
A new study by the Swedish Environmental Protection Agency reveals that diesel cars emit significantly more nitrogen oxides, particulates, and carcinogenic substances than petrol-driven cars. This trend is counterproductive to achieving environmental goals for cleaner air and reduced acidification and eutrophication.
A recent study found that teenage girls who engaged in HIV-related sexual risk taking and were currently pregnant viewed more television programs depicting violence, women's abuse, or demeaning behavior. This suggests the need for TV networks to decrease violent content and promote healthy sexual behaviors.
A new study shows sertraline safely prevents depression recurrence in severe chronic sufferers. The drug extends remission time and protects against recurrence for patients with disabling psychological and social problems.
The study found that HIV prevalence rates declined by 60-70% from the mid-1980s to the present day, with the majority of participants identifying as gay. However, high-risk groups such as men of low socio-economic status, African-American, and injection drug users continue to have high levels of HIV infection.
Researchers found that rats born by Caesarean section showed marked differences in brain development compared to naturally born controls. They had altered dopamine systems and responses to stress tests. The findings hint at a potential link between Caesarean births and schizophrenia risk.
Researchers have developed a system to detect the formation of gallstones by monitoring the interactions between cholesterol and lecithin in artificial bile. The technique may help identify key enzymes that speed up or slow down gallstone growth, leading to new treatments for cardiovascular ailments and genetic disorders.
Maxygen's DNA shuffling technique has created ultra-efficient proteins and supergenes, including a potent interferon that is 285,000 times more effective than natural versions. The company has also developed superior enzymes with potential applications in industrial processes.