Astronomy

Astronomers find final missing piece of galaxy cluster collision puzzle

Astronomers have a model of how galaxy cluster collisions go through different stages, taking on various shapes. A blunt body shape turns into a sharp cone, which turns into a tongue-like shape. The first and last have been ...

Cell & Microbiology

Stem cell study paves way for manufacturing cultured meat

Scientists have for the first time obtained stem cells from livestock that grow under chemically defined conditions, paving the way for manufacturing cell cultured meat and breeding enhanced livestock.

Doctors find tooth growing inside a patient's nose

A 38-year-old male patient complaining of difficulty breathing through one of his nostrils for several years was found to have an ectopic tooth growing in his nose. In their paper published in The New England Journal of Medicine ...

Grape seed extract found to extend lifespan of old mice

A team of researchers affiliated with a host of institutions in China and the U.S. has found that injecting procyanidin C1 (PCC1), a chemical found in grape seed extract, into older mice extended their lifespan. In their ...

How SARS-CoV-2 evades the immune system

Researchers in Japan and the United States have found SARS-CoV-2 can knock out an important molecular pathway linked to an immune complex called MHC class I. The finding should help scientists better understand how COVID-19 ...

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Medical Xpress

Diseases, Conditions, Syndromes
How SARS-CoV-2 evades the immune system
Diseases, Conditions, Syndromes
Ventilation is critical to battling COVID
Sports medicine & Kinesiology
Study explores how marijuana affects workouts

Tech Xplore

Studying cosmic expansion using methods from many-body physics

It is almost always assumed in cosmological calculations that there is a even distribution of matter in the universe. This is because the calculations would be much too complicated if the position of every single star were ...

CRISPRing the microbiome is just around the corner

To date, CRISPR enzymes have been used to edit the genomes of one type of cell at a time: They cut, delete or add genes to a specific kind of cell within a tissue or organ, for example, or to one kind of microbe growing in ...

Report points way to a more resilient UK food system

Government, the food industry, financial investors, charities and researchers all have a key role to play in securing the food system into the future—according to the results of a five-year research program.

Violent crime is rising. What can cities do?

In 2019, following a years-long decline, crime rates were flat or at all-time lows nationwide. Then the COVID-19 pandemic hit, and a very different pattern emerged. Though major crimes dropped overall, violent crime surged. ...

Researchers call for standards for biological imaging

Stained molecules in the cell nucleus, the inner life of a synaptic cleft, or the surface of a floral leaf: Modern microscopes enable researchers to examine processes that are otherwise invisible and located in tiniest structures ...