Releasing brakes on biocatalysis

Enzymes from microorganisms can produce hydrogen (H2) under certain conditions, which makes them potential biocatalysts for biobased H2 technologies. In order to make this hydrogen production efficient, researchers are trying to identify and eliminate possible limiting factors. These include formaldehyde, which occurs naturally as a metabolic product in cells and inhibits the particularly efficient [FeFe] …

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Broadband buzz: Periodical cicadas’ chorus measured with fiber optic cables

Through an emerging technology called distributed fiber optic sensing, cables bringing high-speed internet to American households can be used to detect temperature changes, vibrations, and even sound. And periodical cicadas — the insects that emerge by the billions every 13 or 17 years and make a racket with their mating calls — are loud enough …

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Quantum tool opens door to uncharted phenomena

Scientists have developed a new tool for the measurement of entanglement in many-body systems and demonstrated it in experiments. The method enables the study of previously inaccessible physical phenomena and could contribute to a better understanding of quantum materials. ​Scientists have developed a new tool for the measurement of entanglement in many-body systems and demonstrated …

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Botany must feature more prominently on the school curriculum to promote awareness of climate change, study warns

Children must be taught more about the importance of plants if education about climate change and sustainability is to be effective, experts have warned. ​Children must be taught more about the importance of plants if education about climate change and sustainability is to be effective, experts have warned. Children must be taught more about the importance …

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Study identifies peptide as key mediator in heavy alcohol drinking

Researchers have identified that a peptide called pituitary adenylate cyclase activating polypeptide (PACAP), is involved in heavy alcohol drinking. In addition, they have discovered that this peptide acts in the BNST area. ​Researchers have identified that a peptide called pituitary adenylate cyclase activating polypeptide (PACAP), is involved in heavy alcohol drinking. In addition, they have …

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Being overweight hampers body’s immune response to SARS-CoV-2, study shows

New research shows being overweight can impair the body’s antibody response to SARS-CoV-2 infection but not to the protection offered by vaccination. ​New research shows being overweight can impair the body’s antibody response to SARS-CoV-2 infection but not to the protection offered by vaccination. New research shows being overweight can impair the body’s antibody response to SARS-CoV-2 infection but …

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More than 100 ‘magic mushroom’ genomes point the way to new cultivars

Scientists have amassed genome data for dozens of ‘magic mushroom’ isolates and cultivars, with the goal to learn more about how their domestication and cultivation has changed them. The findings may point the way to the production of intriguing new cultivars, say the researchers. ​Scientists have amassed genome data for dozens of ‘magic mushroom’ isolates …

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Decades after blood pressure-related pregnancy complications, women can have changes in heart structure and function

Hispanic/Latina women with a history of hypertensive disorders of pregnancy (HDP) — conditions marked by high blood pressure during pregnancy — are more likely to have abnormalities in their heart structure and function decades later when compared with women without a history of HDP, according to a new study. The findings also suggest that while …

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Macrophages ‘eat’ insulin-producing cells to regulate insulin after mice have given birth

Pregnancy brings a rise in pancreatic beta cells — the cells that produce insulin. Shortly after birth, these cells return to their normal levels. The mechanisms behind this process had remained a mystery. But now a research group has revealed that white blood cells called macrophages ‘eat’ these cells.  ​Pregnancy brings a rise in pancreatic …

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This is how protein aggregates can trigger neurodegenerative diseases

Neurodegenerative diseases are characterized by the deposition of clumped proteins in the brain and progressive neuronal cell death. Although the causal link between protein aggregates and neurodegeneration is clear, it is still unclear in what way misfolded proteins trigger cell death. A team showed that misfolded prion proteins can inactivate the TDP-43 protein. ​Neurodegenerative diseases …

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