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Study sheds light on how antibiotic "Velcro" kills bacteria

A small antibiotic called plectasin uses an innovative mechanism to kill bacteria. By assembling into large structures, plectasin latches onto its target on the bacterial cell surface, similar to how both sides of Velcro form a bond......»»

Category: topSource:  physorgMay 23rd, 2024

Light-Based Chips Could Help Slake AI"s Ever-Growing Thirst for Energy

Optical neural networks, which use photons instead of electrons, have advantages over traditional systems. They also face major obstacles......»»

Category: gadgetSource:  wiredRelated News3 hr. 7 min. ago

Stellantis cuts costs rather than turn defensive as Chinese threat grows

CEO Carlos Tavares said Stellantis would stick to its "asset light" strategy in China, mainly focused on exporting to the country rather than manufacturing there.  .....»»

Category: topSource:  autonewsRelated News18 hr. 7 min. ago

Suicide threats are a weapon of family violence. How can police balance mental health needs with protecting victims?

It's relatively common for perpetrators of family violence to threaten suicide to control a victim-survivor's actions. A study by the Australian Institute of Criminology suggests 39% of women who experience coercive control are subject to perpetrator.....»»

Category: topSource:  physorgRelated News20 hr. 39 min. ago

Saturday Citations: Bacterial warfare, a self-programming language model, passive cooling in the big city

There's a lot of science news in seven days, so just because a new study isn't cited here on Saturday morning doesn't mean it didn't happen. A lot more has happened. But also, check out these four stories:.....»»

Category: topSource:  physorgRelated NewsJun 15th, 2024

Nitrous oxide emissions surge in climate threat: Study

Global emissions of nitrous oxide—a potent greenhouse gas—are outpacing expectations and putting climate change goals in peril, a major study published on Wednesday found......»»

Category: topSource:  physorgRelated NewsJun 15th, 2024

Novel photocatalyst enables efficient ester reduction with blue light

The sweet smell of strawberries and other fruits is thanks to a chemical compound called ester, which is also found in many fats and polyesters. The ubiquitous compound can be broken down to produce desirable alcohols and other chemicals for use acro.....»»

Category: topSource:  physorgRelated NewsJun 15th, 2024

To kill the competition, bacteria throw pieces of dead viruses at them

A network of mutual murder ensures that diverse populations of bacteria survive. Enlarge / This is an intact phage. A tailocin looks like one of these with its head cut off. (credit: iLexx) Long before humans became inte.....»»

Category: topSource:  arstechnicaRelated NewsJun 15th, 2024

Why some plant diseases thrive in urban environments

Rachel Penczykowski, an assistant professor of biology in Arts & Sciences at Washington University in St. Louis, and five WashU graduate and undergraduate students tracked infestations of powdery mildew on common broadleaf weeds. Their study, publish.....»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

Study examines educational and career disparities among minoritized students

New research from the University at Buffalo offers groundbreaking insights into the strategies that help students from underrepresented groups succeed academically and in their careers......»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

Strong coupling and catenary field enhancement in the hybrid plasmonic metamaterial cavity and TMDC monolayers

Researchers in the field of nanophotonics have spent significant time in recent years investigating fascinating concepts known as polaritons and/or plexcitons. These ideas revolve around the strong coupling of light photons and/or plasmons to exciton.....»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

Study indicates Pennsylvania private forest landowners value fire as tool to manage woodlands

Fire can help shape ecosystems, and after a century of suppressing naturally occurring fire that has thrown forests out balance, some states—including Pennsylvania—are using controlled burns to help manage forests on public lands. Now, a new four.....»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

Structured light beams with controllable polarization along arbitrary trajectories

A structured light refers to a light field which is "customized" in both space and time, characterized by its unique distribution of amplitude, phase, and polarization state in both space and time......»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

Ultracompact and high-efficiency liquid-crystal-on-silicon light engines for augmented reality glasses

Augmented reality (AR) and virtual reality (VR) are innovative display technologies with the ability to revolutionize the way we interact and experience the world......»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

Study reveals how invasive submerged macrophytes affect sediment nitrogen cycle under complex environments

Removal of excess nitrogen is a critical step in the ecological restoration of eutrophic lakes. Microbially mediated dissimilatory nitrate reduction processes in lakes represent an important mechanism for nitrogen removal. However, lake ecosystems ar.....»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

Study shows impact of Russian social media campaigns less pronounced than often assumed

Most people do not believe the disinformation spread by Russia about the war in Ukraine, even if they regularly use social media. Instead, the decisive factor in the efficacy of this propaganda is whether a person is fundamentally receptive to conspi.....»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

Enhancement and manipulation of second- and third-harmonic generation based on all-dielectric nonlinear metasurfaces

Nonlinear optics is a branch of optics that deals with the complex nonlinear relationships between the optical response of the medium and the incident light when it interacts with the optical medium. Currently, nonlinear optics has been successfully.....»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

New study provides first nationwide window on juvenile "lifer" population

More than 2,900 minors have been given juvenile life-without-parole sentences since the first was meted out in the late 1940s. Now, a new study published in the Journal of Criminal Justice provides the most comprehensive picture to date of this uniqu.....»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

Genomic insights into the tea gray geometrid"s survival strategy

A study has shed light on the genetic makeup of the tea gray geometrid, Ectropis grisescens. Through the re-sequencing of 43 genomes, scientists have mapped out the pest's population structure and its remarkable adaptation to tea crops, offering new.....»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

Upper surface of coastal waters can accumulate bacteria and antibiotics, study finds

Antibiotics in the uppermost water surface, known as the sea surface microlayer, can significantly affect the number of bacteria present and contribute to the adaptation of marine bacteria against widely used antibiotics. In new research presented at.....»»

Category: topSource:  physorgRelated NewsJun 14th, 2024

AI enables faster, more effective antibiotic treatment of sepsis

Sepsis is a life-threatening infection complication and accounts for 1.7 million hospitalizations and 350,000 deaths annually in the U.S. Fast and accurate diagnosis is critical, as mortality risk increases up to 8% every hour without effective treat.....»»

Category: topSource:  physorgRelated NewsJun 14th, 2024