107 articles from FRIDAY 1.10.2021

Unprecedented view of a single catalyst nanoparticle at work

A research team has been using high-intensity X-rays to observe a single catalyst nanoparticle at work. The experiment has revealed for the first time how the chemical composition of the surface of an individual nanoparticle changes under reaction conditions, making it more active. This study marks an important step towards a better understanding of real, industrial catalytic materials.

Marine heatwaves could wipe out an extra six per cent of a country’s fish catches, costing millions their jobs

Extremely hot years will wipe out hundreds of thousands of tons of fish available for catch in a country's waters in this century, on top of projected decreases to fish stocks from long-term climate change, a new study predicts. Modelling a worst-case scenario where no action is taken to mitigate greenhouse gas emissions they projected a six per cent drop in the amount of potential catches per...

Workers Speak Out About Alleged Sexism and Safety Risks at Jeff Bezos’ Rocket Company Blue Origin

A group of more than 20 current and former employees are accusing Jeff Bezos’ Blue Origin rocket ship company of being a toxic work environment and not adhering to proper safety protocols. The workers claim in an essay that there’s sexism at the Kent, Washington, company. The employees, led by former head of Blue Origin employee communications Alexandra Abrams, state that...

Unprecedented view of a single catalyst nanoparticle at work

A DESY-led research team has been using high-intensity X-rays to observe a single catalyst nanoparticle at work. The experiment has revealed for the first time how the chemical composition of the surface of an individual nanoparticle changes under reaction conditions, making it more active. The team led by DESY's Andreas Stierle is presenting its findings in the journal Science Advances. This...

Coronavirus treatments: the potential ‘game-changers’ in development

After positive clinical trials for antiviral drug Molnupiravir, it joins other medicines that have shown promiseCoronavirus – latest updatesSee all our coronavirus coverageThe first clinical trial results showing a positive effect for a pill that can be taken at home has been hailed as a potential gamechanger that could provide a new way to protect the most vulnerable people from the worst...

Predicting trail choices based on off-highway vehicle drivers' motivations

It's certainly easy to do, but not very useful, to stereotype outdoorsy people based on the types of recreation they choose. What kind of person takes a side-by-side vehicle up a dusty mountain road, for instance? And why? In reality, off-highway vehicle (OHV) recreation attracts a variety of people with diverse motivations for hitting the trail. And those motivations define, in part, the way they...

An open-source smartphone application to monitor drying events in river networks

Citizens can play a major role in helping scientists to understand drying river networks, by reporting drying events in rivers and streams. To do so, DRYvER has created the DRYRivERS app, which citizens can use to map drying events. The collected data will improve scientific predictions of the future impacts of climate change in these ecosystems. Moreover, DRYRivERS will raise awareness of the...

A novel method for installing sulfur into complex molecules

A group of highly reactive compounds called persulfides have provoked great curiosity among biochemists, because of their role in nature, and how they interact with proteins to change their structure and function, affecting health, aging and disease processes.

Is your machine learning training set biased? How to develop new drugs based on merged datasets

Polymorphs are molecules that have different molecular packing arrangements despite identical chemical compositions. In a recent paper, researchers at GlaxoSmithKline (GSK) and the Cambridge Crystallographic Data Centre (CCDC) combined their proprietary (GSK) and published (CCDC) datasets to better train machine learning (ML) models to predict stable polymorphs to use in new drug candidates.

What you need to know about urinary tract infections

More than half of U.S. women will experience at least one urinary tract infection (UTI) in their lifetimes, while a quarter will have a subsequent infection. Recurrent urinary tract infections are defined as two or more infections in six months or three or more in a year.

Powerful technique details brain tumors’ formidable resiliency

A team led by researchers  has profiled in unprecedented detail thousands of individual cells sampled from patients' brain tumors. The findings, along with the methods developed to obtain those findings, represent a significant advance in cancer research, and ultimately may lead to better ways of detecting, monitoring and treating cancers.