Nanotechnology enables visualization of RNA structures at near-atomic resolution

Researchers have reported a fundamentally new approach to the structural investigation of RNA molecules. ROCK, as it is called, uses an RNA nanotechnological technique that allows it to assemble multiple identical RNA molecules into a highly organized structure, which significantly reduces the flexibility of individual RNA molecules and multiplies their molecular weight. The team showed …

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Lighting the tunnel of plant evolution: Scientists explore importance of two-pore channels in plants

Two-pore ion channels are present in many eukaryotes — both animals and plants. While the possible involvement of these channels in environmental stress responses have been discussed in higher plants, their localizations and functional significance remain largely unknown. Now, researchers have found the missing pieces of evolutionary history of two-pore channels in a species of …

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Study finds children with vegetarian diet have similar growth and nutrition compared to children who eat meat

A study of nearly 9,000 children found those who eat a vegetarian diet had similar measures of growth and nutrition compared to children who eat meat. The study also found that children with a vegetarian diet had higher odds of underweight weight status, emphasizing the need for special care when planning the diets of vegetarian …

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Anatomical study confirms: Harbor seals are good at learning calls

Harbor seals may sound different than expected from their body size. Is this ability related to their vocal talents or is it the result of an anatomical adaptation? An international team has now investigated the vocal tracts of harbor seals, which matched their body size. This means that harbor seals are capable of learning new …

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New model for antibacterial mechanism

Biologists have discovered an aberrant protein that’s deadly to bacteria. This erroneously built protein mimics the action of aminoglycosides, a class of antibiotics. The newly discovered protein could serve as a model to help scientists unravel details of those drugs’ lethal effects on bacteria — and potentially point the way to future antibiotics.

Mother and child vulnerable to endocrine disruptor exposure

Researchers have shown that exposure to endocrine disruptors during pregnancy can lead to medium and long-term health problems for both the mother and the fetus. They conducted an exhaustive review of the literature on more than a dozen of the most common endocrine disruptors (EDs), as well as several whose effects are less well-known.Researchers have …

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How is haze formed?

Haze is formed when a cocktail of various gaseous pollutants is oxidized and forms particulate matter diffusing sunlight. This process is mainly mediated by hydroxyl radicals (OH), and researchers have now discovered a new route to their formation. This newly discovered radical-building mechanism could also offer new perspectives for air purification and the energy industry, …

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