Astronomers identify a new class of stellar system. They’re not quite galaxies and only exist in isolation.
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Mysterious ‘blue blobs’ reveal a new kind of star system
June 17, 2022By
Blood Bubbles Reveal Oxygen Levels #ASA181
November 29, 2021By
Researchers have developed microbubbles to acoustically detect blood oxygen levels, since the microbubble shells are altered by structural hemoglobin changes in response to oxygen. The gas filling of the microbubbles causes them to oscillate and vibrate when ultrasound is applied, scattering energy and generating an acoustic response that can be detected by a clinical ultrasound scanner. Preliminary results show a strong correlation between oxygen concentration and the acoustic bubble response.
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Simulations reveal how dominant SARS-CoV-2 strain binds to host, succumbs to antibodies
April 18, 2021By
The dominant G-form spike protein ‘puts its head up’ more frequently to latch on to receptors, but that makes it more vulnerable to neutralization.
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First images of cells exposed to COVID-19 vaccine reveal native-like Coronavirus spikes
April 8, 2021By
New research has for the first time compared images of the protein spikes that develop on the surface of cells exposed to the Oxford-AstraZeneca vaccine to the protein spike of the SARS-CoV-19 coronavirus.
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Scientists reveal regions of the brain where serotonin promotes patience
November 30, 2020By
In a study on mice scientists pinpoint specific areas of the brain that individually promote patience through the action of serotonin.
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Near-atomic ‘maps’ reveal structure for maintaining pH balance in cells
November 5, 2020By
For the first time, scientists have visualized a new class of molecular gates that maintain pH balance within brain cells, a critical function that keeps cells alive and helps prevent stroke and other brain injuries. These gates, called proton-activated chloride channels (PAC), nest within cell membranes and regulate the passage of small molecules called chloride ions into and out of cells. This allows cells to sense and respond to their environment.
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Tensions and backlash mount as US coronavirus reopenings reveal a new way of life
May 9, 2020By
With nearly all states partially reopened this week, backlash and frustrations are growing Friday as Americans struggle with ways to combat the deadly coronavirus.
Simulated ‘Frankenfish brain-swaps’ reveal senses control body movement
March 24, 2020By
Plenty of fictional works like Mary Shelly’s Frankenstein have explored the idea of swapping out a brain from one individual and transferring it into a completely different body. However, a team of biologists and engineers has now used a variation of the sci-fi concept, via computer simulation, to explore a core brain-body question.
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Ostrich eggshell beads reveal 10,000 years of cultural interaction across Africa
November 28, 2019By
Researchers present an expanded analysis of African ostrich eggshell beads, testing the hypothesis that larger beads signal the arrival of herders. The data reveals a more nuanced interpretation that provides greater insight into the history of economic change and cultural contact.
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