Many of the world’s deep-sea octopuses evolved from species that lived in the Southern Ocean, according to new molecular evidence reported by researchers.
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At low concentrations, the toxic gas hydrogen sulfide protects the hearts of mice from heart failure, scientists have found. The research suggests that doctors could use hydrogen sulfide to treat humans with heart failure.
To illustrate the precision of their protein patterning technique, scientists reproduced a masterwork of Dutch painter Johannes Vermeer, specifically Girl with a Pearl Earring, in the miniature dimension of 200 microns wide or about the thickness of two hairs. The researchers also used their novel technology to replicate the brain’s complex cellular environment.
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The positive US health trend documented over the past 30 years of reduction in risk for heart disease is not as strong as is widely perceived and, in fact, the trend has flattened, according to a new analysis of national data by Mayo Clinic.
A rare and impressive Hebrew seal was discovered that dates to the latter part of the First Temple period. The seal was found in a building that is currently being uncovered, which dates to the seventh century BCE — to the time when the kings Manasseh and Josiah reigned.
New research suggests that patients with chronic pain are more prone than others are to consider suicide. The increased risk remained even when study authors took the possible influence of mental illness into account.
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Saturn has its own unique brand of aurora that lights up the polar cap, unlike any other planetary aurora known in our solar system. This odd aurora revealed itself to one of the infrared instruments on NASA’s Cassini spacecraft.
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Men who received heart transplants from a male donor and women who had female donors had lower chances of death than patients who received a transplant from the opposite sex, according to a new 10-year study. Pairing female patients with male donors had the greatest risk for death during the study. Researchers said heart size [...]
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Proteins play a decisive role in both the tolerability of contact lenses and the adherence of mussels to the hulls of ships. They develop a biofilm during their initial contact with the foreign material. A new designer surface is completely resistant to the adsorption of proteins.
Treating a common heart rhythm disorder by burning heart tissue with a catheter works dramatically better than drug treatments, a major international study has found. One year after undergoing a treatment called catheter ablation, 75 percent of patients with an irregular heartbeat called atrial fibrillation were free of symptoms. By comparison, only 21 percent of [...]