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Experts highlight ebola vaccine progress and suggest next steps

Despite promising advances, important scientific questions remain unanswered in the effort to develop a safe and effective Ebola vaccine,  the experts review the current field of Ebola vaccine candidates and clinical trials and highlight key gaps in knowledge that need to be addressed by future research. Researchers at the National Institute of Allergy and Infectious…

Marine mammals lack functional gene to defend against popular pesticide

As marine mammals evolved to make water their primary habitat, they lost the ability to make a protein that defends humans and other land-dwelling mammals from the neurotoxic effects of a popular human-made pesticide. The implications of this discovery, announced today in Science, led researchers to call for monitoring our waterways to learn more about…

Novel approach to coherent control of a three-level quantum system

For the first time, researchers were able to study quantum interference in a three-level quantum system and thereby control the behavior of individual electron spins. To this end, they used a novel nanostructure, in which a quantum system is integrated into a nanoscale mechanical oscillator in form of a diamond cantilever. The electronic spin is…

Recording every cell’s history in real-time with evolving genetic barcodes

All humans begin life as a single cell that divides repeatedly to form two, then four, then eight cells, all the way up to the ~26 billion cells that make up a newborn. Tracing how and when those 26 billion cells arise from one zygote is the grand challenge of developmental biology, a field that…

Pass the salt: Study finds average consumption safe for heart health

New research shows that for the vast majority of individuals, sodium consumption does not increase health risks except for those who eat more than five grams a day, the equivalent of 2.5 teaspoons of salt. Fewer than five per cent of individuals in developed countries exceed that level. The large, international study also shows that…

Blocking sunlight to cool Earth won’t reduce crop damage from global warming

Injecting particles into the atmosphere to cool the planet and counter the warming effects of climate change would do nothing to offset the crop damage from rising global temperatures, according to a new analysis by University of California, Berkeley, researchers. By analyzing the past effects of Earth-cooling volcanic eruptions, and the response of crops to…

Male contraceptive compound stops sperm without affecting hormones: Study in monkeys

A new study  details how a compound called EP055 binds to sperm proteins to significantly slow the overall mobility of the sperm without affecting hormones, making EP055 a potential “male pill” without side effects. “Simply put, the compound turns-off the sperm’s ability to swim, significantly limiting fertilization capabilities”. “This makes EP055 an ideal candidate for…

Swirling liquids work similarly to bitcoin

Fluid dynamics is not something that typically comes to mind when thinking about bitcoin. But for one Stanford physicist, the connection is as simple as stirring your coffee.  Stanford applied physics doctoral student William Gilpin described how swirling liquids, such as coffee, follow the same principles as transactions with cryptocurrencies such as bitcoin. This parallel…

Killer whale genetics raise inbreeding questions

A new genetic analysis of Southern Resident killer whales found that two male whales fathered more than half of the calves born since 1990 that scientists have samples from, a sign of inbreeding in the small killer whale population that frequents Washington’s Salish Sea and Puget Sound. Only about 26 of the 76 endangered whales…

Children are as fit as endurance athletes

Children not only have fatigue-resistant muscles, but recover very quickly from high-intensity exercise — even faster than well-trained adult endurance athletes. which compared the energy output and post-exercise recovery rates of young boys, untrained adults and endurance athletes. The research could help develop athletic potential in children as well as improve our understanding of how…

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