Researchers suggest that mechanical pressure triggers a key event in HIV infection
It has been more than 40 years since the beginning of the HIV/AIDS epidemic and scientists still don't fully understand how HIV enters and replicates in human cells, which has hindered the development of treatments......»»
12 days of OpenAI: The Ars Technica recap
Did OpenAI's big holiday event live up to the billing? Over the past 12 business days, OpenAI has announced a new product or demoed an AI feature every weekday, calling the PR eve.....»»
Here’s everything OpenAI announced in the past 12 days
OpenAI has unveiled a slew of new products, models, features, and services over the past two weeks as part of its "12 Days of OpenAI" live-stream event. Here's everything the company announced......»»
OpenAI teases its ‘breakthrough’ next-generation o3 reasoning model
CEO Sam Altman closed out the 12 Days of OpenAI event Friday with a first look at the company's upcoming o3 reasoning model......»»
Neutrality has played a pivotal, but under-examined, role in international relations, new research shows
Researchers have developed a new way of understanding international relations by analyzing almost 200 years of alliances, hostilities and neutrality between countries......»»
Researchers take "significant leap forward" with quantum simulation of molecular electron transfer
Researchers at Rice University have made a meaningful advance in the simulation of molecular electron transfer—a fundamental process underpinning countless physical, chemical and biological processes. The study, published in Science Advances, detai.....»»
New MacBook Air OLED timeline reveals two unfortunate drawbacks
Last week we received word that the MacBook Pro would be getting OLED and lose its notch starting in 2026. That same report also detailed the OLED timeline for Apple’s other products, and it doesn’t look great for the MacBook Air in two key ways......»»
Volunteers should not become friends with patients, say Norwegian researchers
When a volunteer supports a patient, a special and often rather unequal relationship can develop between the helper and the person receiving the help. Researchers have now investigated this relationship and offer guidance on finding the right balance.....»»
Shedding light on snow"s crucial role in Earth"s climate system
EU researchers are braving extreme Arctic conditions to shed light on snow's crucial role in Earth's climate system......»»
Grapevine protein resembles animal ion transport function, researchers discover
Researchers at the University of Adelaide have discovered that a protein which mediates the transport of alkali metal ions, such as potassium, and halide ions across plant membranes acts similarly to a protein found in animals......»»
Dark energy "doesn"t exist" so can"t be pushing "lumpy" universe apart, physicists say
One of the biggest mysteries in science—dark energy—doesn't actually exist, according to researchers looking to solve the riddle of how the universe is expanding......»»
Programming cells: New RNA tool enhances precision in synthetic genetic circuits
Researchers have successfully developed a modular synthetic translational coupling element (SynTCE), significantly enhancing the precision and integration density of genetic circuits in synthetic biology. Their study was recently published in the jou.....»»
We might new Steam Deck next month — and Valve isn’t making it
I suspected to see some new this year at CES, but it looks like something even more exciting is in store. AMD and Lenovo are hosting an event during the week of the show, and it’ll have two special guests in attendance: Valve’s Pierre-Lou.....»»
Gateway: Wired for deep space
A maze of cables and sensors snakes through a major piece of Gateway, humanity's first space station around the moon, during a key testing phase earlier this year to ensure the lunar-orbiting science lab can withstand the harsh conditions of deep spa.....»»
Giant sloths and mastodons coexisted with humans for millennia in Americas, new discoveries suggest
Sloths weren't always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge—up to 4 tons (3.6 metric tons)—and when startled, they brandished immense claws......»»
AI is becoming the weapon of choice for cybercriminals
AI changes how organizations look at cybersecurity GenAI is compromising security while promising efficiency This article highlights key findings from 2024 reports on AI and GenAI technologies, focusing on their potential and major challenges. Overre.....»»
Clever trick to cook young stars detected for first time—astronomers highlight magnetic fields as the missing ingredient
The missing ingredient for cooking up stars in the same way you might steam your Christmas pudding has been spotted for the first time by astronomers. Much like a pressure cooker has a weight on top of its lid to keep the pressure in and get your fes.....»»
New synthesis technique cuts drug development time and cost
A team of chemists from Scripps Research and Rice University has unveiled a novel method to simplify the synthesis of piperidines, a key structural component in many pharmaceuticals. The study, published in Science, combines biocatalytic carbon-hydro.....»»
By looking at individual atoms in tooth enamel, researchers are learning what happens to our teeth as we age
Teeth are essential for helping people break down the food they eat, and are protected by enamel, which helps them withstand the large amount of stress they experience as people chew away. Unlike other materials in the body, enamel has no way to repa.....»»
New physics sim trains robots 430,000 times faster than reality
"Genesis" can compress training times from decades into hours using 3D worlds conjured from text. On Thursday, a large group of university and private industry researchers unveile.....»»
New "molecular flipbook" gives researchers the best look yet at ribosomal motion
At one time or another, most of us have played with a flipbook, using our thumbs to rapidly flip a series of pictures to create an illusion of movement......»»