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Category: biological

‘Molecular movie’ technology reveals a better way to thwart environmental pollutant

The latest production from the “molecular movie” imaging technology developed at Oregon State University is a new, inexpensive way of dealing with a common environmental pollutant. Based on short-pulse lasers, the imaging technology allows chemical and biological actions to be measured as they are occurring, one high-speed frame at a time.

The measurements occur on the level of the femtosecond—one-millionth of one-billionth of a second. A femtosecond is to a second roughly as a second is to 32 million years.

“We’re able to slow down the observation of chemical processes and understand the exact sequences of biochemical reactions,” said Chong Fang, professor of chemistry at OSU, who unveiled the technology in 2014. “It’s a really powerful tool to study, understand and tune biological processes. Now we have extended the tool set to delineate a wide array of chemical processes.”

Light-activated gel could transform wearables, soft robotics, and more

Consider the chief difference between living systems and electronics: the first is generally soft and squishy, while the latter is hard and rigid. Now, in work that could impact human-machine interfaces, biocompatible devices, soft robotics, and more, MIT engineers and colleagues have developed a soft, flexible gel that dramatically changes its conductivity upon the application of light.

Enter the growing field of ionotronics, which involves transferring data through ions, or charged molecules. Electronics does the same with electrons. But while the latter is well established, ionotronics is still being developed, with one huge exception: living systems. The cells in our bodies communicate with a variety of ions, from potassium to sodium.

Ionotronics, in turn, can provide a bridge between electronics and biological tissues. Potential applications range from soft wearable technology to human-machine interfaces.

Photon-driven synapse advances low-power neuromorphic systems

Modern artificial intelligence systems rely on moving large amounts of data between memory and processors, a design that limits speed and increases energy use. The human brain works differently: it combines memory and computation within synapses, allowing fast, efficient learning and perception. Replicating this approach in hardware is a central goal of neuromorphic computing, especially for tasks like vision, where most real-world information is gathered and processed.

In that context, researchers have developed a new type of artificial synapse that operates entirely with light. Unlike most existing devices, which still depend on electrical signals at some stage, this system uses optical signals both to receive information and to update its internal state. Removing electrical conversion steps could lower energy use, reduce noise, and enable faster processing, particularly in vision systems that already rely on light.

As reported in Advanced Photonics, the device is built from a rare-earth-doped crystal that emits a persistent afterglow after being illuminated. This material can store optical information in the form of trapped charge carriers. When light excites the crystal, some of these carriers emit light immediately, while others remain trapped and are released later. The balance between these pathways depends on the history of illumination, allowing the material to mimic how biological synapses change strength based on past activity.

Irregular brain maturation in childhood predicts emotional habits in early adolescence

A new study reveals that the pace of a child’s brain maturation can predict whether they will tend to bottle up their emotions during their teenage years, offering new clues about the biological roots of adolescent mental health.

⚠️ The X-Ray We Keep Refusing to Read

The fractures aren’t in our biology. They’re in our agreements, our economic systems, and our willingness to extend the definition of “us” to include the health minister in a lower-middle-income country holding a terrifying lab result and staring at a phone they are afraid to pick up.

A world on the edge global pandemic preparedness

A world on the edge – Priorities for a pandemic-resilient world, 2026 GPMB report

GHS Index: Homepage

Elon Musk Chilling Warning Makes Host GO QUIET In Interview

Elon Musk just laid out one of the clearest timelines yet for artificial general intelligence. According to Musk, AGI could arrive as early as next year, with digital superintelligence potentially surpassing the collective intelligence of humanity by 2029 or 2030. → Try Visionary Society for $1 — https://bit.ly/VSONE

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Quantum vibronics research points to future energy and computing technologies

Scientists at the University of California, Riverside are making breakthroughs in understanding how quantum wave functions move across ultra-thin materials—research that could eventually improve solar energy technologies and help lay the groundwork for new forms of quantum computing.

The researchers are part of UCR’s Center for Quantum Vibronics in Energy and Time (QuVET), which was established two years ago and focuses on “vibronics,” the interaction between vibrations and electronic quantum states. The center examines both biological molecules and synthetic layered materials, where the same fundamental quantum processes emerge across vastly different systems.

Its research brings together physicists, chemists, engineers, and biochemists from multiple institutions to better understand how vibrations shape quantum behavior.

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