Biologist Sasha Mendjan at the Austrian Academy of Sciences in Vienna and his team have used human pluripotent stem cells to grow sesame-seed-sized heart models, called cardioids, that spontaneously self-organize to develop ...
May 20, 2021
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A common factor called "decision acuity" underpins diverse decision-making abilities in adolescents and young adults, suggests a study appearing May 20th in the journal Neuron. A large set of behavioral and neuroimaging data ...
May 20, 2021
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The neurotransmitter noradrenaline, which plays a key role in the fight-or-flight stress response, impairs immune responses by inhibiting the movements of various white blood cells in different tissues, researchers report ...
Apr 28, 2021
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The human gut microbiota largely reaches an adult-like composition by five years of age, but important differences remain, finds a study published on March 31st in the journal Cell Host & Microbe. Several bacterial taxa that ...
Mar 31, 2021
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COVID-19 is only the latest infectious disease to have had an outsized impact on human life. A new study employing ancient human DNA reveals how tuberculosis has affected European populations over the past 2,000 years, specifically ...
Mar 4, 2021
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Brain cells called astrocytes derived from the induced pluripotent stem cells of patients with bipolar disorder offer suboptimal support for neuronal activity. In a paper appearing March 4th in the journal Stem Cell Reports, ...
Mar 4, 2021
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A gene variant that affects skeletal muscle function may have protected humans against lower temperatures as they migrated from Africa to Europe more than 50,000 years ago, suggests a study appearing February 17 in the American ...
Feb 17, 2021
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An international team of researchers has characterized the effect and molecular mechanisms of an amino acid change in the SARS-CoV-2 Spike protein N439K. Viruses with this mutation are both common and rapidly spreading around ...
Jan 28, 2021
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With a small snout, a short and curled tail, and a big, round stomach, mini pigs are the epitome of cute—and sometimes, they snore. Now, researchers think these snoring pigs can be used to study obstructive sleep apnea. ...
Jan 19, 2021
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By analyzing Fitbit data and self-reported symptoms, researchers from Evidation Health and collaborators analyzed trends in heart rate, step count, and symptom duration between patients with flu and those with COVID-19. While ...
Dec 21, 2020
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