Search results for common envelope

Cell & Microbiology Apr 17, 2024

Researchers uncover human DNA repair by nuclear metamorphosis

Researchers at the University of Toronto have discovered a DNA repair mechanism that advances understanding of how human cells stay healthy, and which could lead to new treatments for cancer and premature aging.

Astronomy Apr 17, 2024

Researchers propose new formation model for massive hot subdwarfs

In a new study published in the The Astrophysical Journal, Dr. Li Zhenwei and his collaborators from Yunnan Observatories of the Chinese Academy of Sciences (CAS), and Dr. Zhang Yangyang from the Zhoukou Normal University, ...

Astronomy Mar 30, 2024

Stellar murder: When stars destroy and eat their own planets

Our sun is both our best friend and our worst enemy. On the one hand, we owe our very existence to our star. Earth and the other planets in the solar system formed out of the same cloud of gas and dust as the sun.

Environment Mar 25, 2024

Chicago ranked 2nd for worst air pollution in 2023 among major US cities, global report says

Chicago ranked second among major U.S. cities with the worst air pollution in 2023, its average annual concentration of dangerous fine particulate matter almost three times global guidelines, according to a recent report. ...

Social Sciences Mar 24, 2024

Breakaway parties threaten to disrupt South Korea's two-party system. Can they also end parliamentary gridlock?

Contemporary South Korean politics has traditionally been dominated by just two main parties—in common with many other countries with strong presidential systems. But that could soon change.

Cell & Microbiology Mar 15, 2024

Study shows that antibiotics targeting the same enzyme elicit varied responses

There is an urgent need for new antimicrobial strategies to keep pathogens in check. This applies specifically to Gram-negative bacteria, which are protected from antibiotic intervention by a thick second membrane.

Cell & Microbiology Feb 27, 2024

Microbial comics: RNA as a common language, presented in extracellular speech-bubbles

Single-celled organisms, such as bacteria and archaea, have developed many ways to communicate with each other. For example, they might use tiny so-called extracellular vesicles (EVs)—membrane-enveloped packages smaller ...

Biotechnology Feb 1, 2024

Highly targeted CRISPR delivery system advances gene editing in living animals

Most approved gene therapies today, including those involving CRISPR-Cas9, work their magic on cells removed from the body, after which the edited cells are returned to the patient.

Environment Jan 26, 2024

Sahara dust shrouds Senegal capital prompting air quality warning

The Senegalese capital is usually bathed in sunshine but for a fourth consecutive day on Friday the city on the Atlantic coast was shrouded in a pallid cloud.

Soft Matter Jan 23, 2024

Tiny water-walking bugs provide scientists with insights on how microplastics are pushed underwater

Microplastics are tiny plastic particles that can cause big problems when they enter the water supply. One way my fluid dynamics lab explores microplastic movement is by studying how tiny water-walking insects are pushed ...

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