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Scientists uncover insights into neuron function by simultaneously measuring two key signals in living animals

When triggered by an odor, rapid changes in membrane voltage and intracellular calcium ion levels occur in nematode olfactory neurons, causing membrane voltage sensors and calcium ion sensors to fluctuate in fluorescent intensity. Using high-speed capture under a microscope, followed by image processing, researchers from Kyushu University simultaneously measured these changes, showing that the two […]

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Lifestyle & Culture

Insights Massage Therapists Get After One Session

Our jobs can take a toll on our bodies, which massage therapists notice. “Many times, I can guess a client’s occupation by their symptoms and findings,” Wallace said. “Long-distance truck drivers will complain of low back pain from the constant jarring of their seat due to bumpy road conditions. Athletes often experience groin pain from […]

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Science

Ancient DNA data hold insights into past organisms and ecosystems — handle them with more care

DNA fragments extracted from archaeological human remains can be sequenced to identify the microorganisms that caused disease.Credit: Microgen/Getty Over the past ten years or so, investigations of degraded or ‘ancient’ DNA have skyrocketed. By extracting DNA fragments from diverse sources —from human teeth and faeces to soil samples and ice cores — researchers have uncovered […]

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Innovative blood analysis technique reveals insights into giant cell arteritis

Mayo Clinic researchers have identified key protein patterns in the blood that could improve how doctors diagnose and monitor giant cell arteritis, a chronic autoimmune disease that causes inflammation in blood vessels. The condition often affects arteries in the head and can lead to vision loss or stroke if untreated. The new research, led by […]

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Science

Scientists gain new insights into how mass is distributed in hadrons

The two-dimensional spatial distribution of mass due to gluons in the nucleon (left) and the pion (right), simulated at seven valence pion masses with lattice quantum chromodynamics. Credit: Bigeng Wang Scientists can determine the mass of subatomic particles that are built from quarks by looking at the particles’ energy and momentum in four-dimensional spacetime. One […]

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Science

Mitochondrial study offers new insights into how our cells process RNA for energy production

Molecular reconstruction of the human mitochondrial RNase Z complex overlayed on a cryotomographic section with mitochondria from human cells. Credit: Genis Valentin Gese. Researchers at the Department of Cell and Molecular Biology, Karolinska Institutet have made a major discovery in how human cells produce energy. Their study, published in The EMBO Journalreveals the detailed mechanisms […]

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