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Bio & Medicine Nov 30, 2021

Flu virus shells could improve delivery of mRNA into cells

Nanoengineers at the University of California San Diego have developed a new and potentially more effective way to deliver messenger RNA (mRNA) into cells. Their approach involves packing mRNA inside nanoparticles that mimic ...

Planetary Sciences Nov 30, 2021

Microbes and viruses: A threat to Mars?

The Atacama Desert stretches along Chile's Pacific coast over 100,000 square kilometers. It is one of the most arid places in the world. Annual precipitation averages 0.5 mm, which is less than for the Death Valley in California.

Bio & Medicine Nov 29, 2021

Researchers develop rapid, highly accurate test to detect viruses like SARS-COV-2

University of Central Florida researchers have developed a device that detects viruses like SARS-COV-2 in the body as fast as and more accurately than current, commonly used rapid detection tests.

Evolution Nov 18, 2021

Host immunity drives viral evolution of dengue

New research by a team of University of Florida investigators, and others, provides evidence that host immunity drives evolution of the dengue virus. The work, published today in Science, retrospectively analyzes two decades ...

Cell & Microbiology Nov 8, 2021

Ancestral sequence reconstruction of avian influenza virus transmission in pigs

Researchers at the School of Public Health, LKS Faculty of Medicine of The University of Hong Kong (HKUMed), in collaboration with Duke-NUS Medical School (Duke-NUS) and St. Jude Children's Research Hospital (SJCRH), retraced ...

Plants & Animals Nov 2, 2021

A sequence change in a single protein allowed a tomato virus to become a global crop pandemic

In the last years, a new viral tomato disease has emerged, threatening tomato production worldwide. This is caused by the Tomato brown rugose fruit virus (ToBRFV), a member of a devastating group of plant viruses called tobamoviruses. ...

Bio & Medicine Oct 28, 2021

Scientists create device that uses 'light tweezers' to trap and move viruses

A team of scientists led by Nanyang Technological University, Singapore (NTU Singapore) has created a laser-powered device that can trap and move viruses using light.

Bio & Medicine Oct 25, 2021

Researchers develop 'virus-killing' air filtration system

A new carbon-based air filtration nanomaterial capable of capturing and destroying various viruses, including animal coronavirus, a close relative of SARS-CoV-2—the virus that causes COVID-19—has been developed by Cambridge ...

Earth Sciences Oct 25, 2021

Permafrost thaw could release bacteria and viruses

When considering the implications of thawing permafrost, our initial worries are likely to turn to the major issue of methane being released into the atmosphere and exacerbating global warming or issues for local communities ...

Molecular & Computational biology Oct 21, 2021

Fighting viruses with interchangeable defense genes

Bacterial viruses, so-called phages, destroy bacteria. Bacteria are constantly exposed to viral attacks. A research team led by Martin Polz, a microbiologist at the University of Vienna, has now studied how bacteria defend ...

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