Reading this on your phone in the dark?
A new study suggests that focusing up close in low-light settings may contribute to rising myopia rates.
Here’s what the researchers found.
Half of the world’s population will be nearsighted by 2050. Scientists propose that the amount of light reaching the retina in dark environments could be why.
Researchers at Pohang University of Science and Technology (POSTECH) have developed an artificial intelligence approach that addresses a key bottleneck in analog semiconductor layout design, a process that has traditionally depended heavily on engineers’ experience. The work was recently published in the journal IEEE Transactions on Circuits and Systems I: Regular Papers.
Semiconductors are used in a wide range of technologies, including smartphones, vehicles, and AI servers. However, analog layout design remains difficult to automate because designers must manually arrange structures that determine performance and reliability while meeting a large number of design rules.
Automation has been especially challenging in analog design because layouts are too complex and design strategies differ significantly by circuit. In addition, training data is scarce, since layout data is typically treated as proprietary and is rarely shared outside companies.
A wearable biosensor developed by Washington State University researchers could improve wireless glucose monitoring for people with diabetes, making it more cost-effective, accurate, and less invasive than current models. The WSU researchers have developed a wearable and user-friendly sensor that uses microneedles and sensors to measure sugar in the fluid around cells, providing an alternative to continuous glucose monitoring systems. Reporting in the journal The Analyst, the researchers were able to accurately detect sugar levels and wirelessly transmit the information to a smartphone in real time.
“We were able to amplify the signal through our new single-atom catalyst and make sensors that are smaller, smarter, and more sensitive,” said Annie Du, research professor in WSU’s College of Pharmacy and Pharmaceutical Sciences and co-corresponding author on the work. “This is the future and provides a foundation for being able to detect other disease biomarkers in the body.”
Measuring glucose levels is important for diabetes, helping to keep patients healthy and preventing complications. Continuous glucose monitors on the market require the use of small needles to insert the monitor, and people can get skin irritation or rashes from the chemical processes that are done under the skin. Furthermore, they’re not always sensitive enough.
Claude Opus 4.6 and GPT 5.3 Codex, two AI models, have different strengths and interaction styles, highlighting the trade-offs between elegance, reliability, and efficiency in their performance ##
## Questions to inspire discussion.
Model Selection Strategy.
🎯 Q: Which AI model should I choose for different programming tasks?
A: Use Opus for interactive roleplay and quick command following with trial-and-error workflows, while Codex excels at delivering elegant solutions when given proper context and reads more code by default.
🔄 Q: How long does it take to effectively switch between AI models?
Researchers at DTU have developed a nanolaser that could be the key to much faster and much more energy-efficient computers, phones, and data centers. The technology offers the prospect of thousands of the new lasers being placed on a single microchip, thus opening a digital future where data is no longer transmitted using electrical signals, but using light particles, photons. The invention has been published in the journal Science Advances.
“The nanolaser opens up the possibility of creating a new generation of components that combine high performance with minimal size. This could be in information technology, for example, where ultra-small and energy-efficient lasers can reduce energy consumption in computers, or in the development of sensors for the health care sector, where the nanolaser’s extreme light concentration can deliver high-resolution images and ultrasensitive biosensors,” says DTU professor Jesper Mørk, who co-authored the paper together with, among others, Drs. Meng Xiong and Yi Yu from DTU Electro.
A new commercial mobile spyware platform dubbed ZeroDayRAT is being advertised to cybercriminals on Telegram as a tool that provides full remote control over compromised Android and iOS devices.
The malware provides buyers with a full-featured panel for managing infected devices, reportedly supporting Android 5 through 16 and iOS up to version 26 latest.
Researchers at mobile threat hunting company iVerify say that ZeroDayRAT not just steals data but also enables real-time surveillance and financial theft.
Using ideas borrowed from topological photonics, researchers in Singapore, France and the US have designed a compact antenna capable of handling information-rich terahertz (THz) signals. Reporting their results in Nature Photonics, the team, led by Ranjan Singh at the University of Notre Dame, say that with further refinements, the design could help underpin future sixth-generation (6G) wireless networks, allowing data to be shared at unprecedented speeds.
In the not-too-distant future, 6G networks are expected to enable data rates of around one terabit per second—the same as transferring roughly half the storage of a mid-range smartphone in a single second. Achieving such speeds will require wireless systems to operate at terahertz frequencies, far higher than those used by today’s 5G networks.
However, before THz frequencies can be used reliably, major improvements are needed in the antennas that transmit and receive these signals.
Matthijs Luxen et al. comment on Neda Vishlaghi et al.: https://doi.org/10.1172/JCI201199
Address correspondence to: Benjamin Levi, Department of Surgery, University of Texas Southwestern, 6,000 Harry Hines Blvd., Dallas, Texas 75,235, USA. Phone: 214.648.9017; Email: Benjamin. [email protected].
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1Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas, USA.
That low-frequency fuzz that can bedevil cellphone calls has to do with how electrons move through and interact in materials at the smallest scale. The electronic flicker noise is often caused by interruptions in the flow of electrons by various scattering processes in the metals that conduct them.
The same sort of noise hampers the detecting powers of advanced sensors. It also creates hurdles for the development of quantum computers—devices expected to yield unbreakable cybersecurity, process large-scale calculations and simulate nature in ways that are currently impossible.
A much quieter, brighter future may be on the way for these technologies, thanks to a new study led by UCLA. The research team demonstrated prototype devices that, above a certain voltage, conducted electricity with lower noise than the normal flow of electrons.
