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Category: biotech/medical – Page 970

Specialized hardware solves high-order optimization problems with in-memory computing

In an unprecedented new study, researchers have shown neurotransmitters in the human brain are released during the processing of the emotional content of language, providing new insights into how people interpret the significance of words.

The work, conducted by an international team led by Virginia Tech scientists, offers deeper understanding into how language influences human choices and mental health.

Spearheaded by computational neuroscientist Read Montague, a professor of the Fralin Biomedical Research Institute at VTC and director of the institute’s Center for Human Neuroscience Research, the study represents a first-of-its-kind exploration of how neurotransmitters process the emotional content of language—a uniquely human function.

Micro, modular, mobile—DNA-linked microrobots offer new possibilities in medicine and manufacturing

When robots are made out of modular units, their size, shape, and functionality can be modified to perform any number of tasks. At the microscale, modular robots could enable applications like targeted drug delivery and autonomous micromanufacturing; but building hundreds of identical robots the size of a red blood cell has its challenges.

“At this scale, robots are not big enough to hold a microcontroller to tell them what to do,” explained Taryn Imamura, a Ph.D. Candidate in Carnegie Mellon University’s Department of Mechanical Engineering.

“Active colloids (the robots) have what we call embodied intelligence, meaning their behavior, including the speed at which they travel, is determined by their size and shape. At the same time, it becomes more difficult to build microrobots that have the same size and structure as they get smaller.”

Life in Slow Motion: Can Time Perception and the Speed of Information Processing be Manipulated?

Author: Agnes Chan // Editor: Erin Pallott

I believe most of you have seen that in movies life-threatening events are often depicted in slow motion. Have you ever wondered that it may be true that time is slowed down during certain events? There are several situations in which time was reported to have slowed down or things appeared to happen in slow motion. For example, people often report time slowing down during car crashes or other high-adrenaline situations. These situations are often associated with high levels of fear and danger. If time appeared to be slowing down, it implies that the speed of the internal clock increased during the event. Similar phenomena were reported in military firefights and professional players of high-speed sports reporting their opponents moving in slow motion. It can also be seen in more ordinary events like anxiously waiting for a doctor’s appointment and the passing of time felt slower.

Seven Days of Fasting: How Your Body Transforms Inside and Out

A recent study highlights that significant health benefits and molecular adaptations from fasting are detectable after three days.

Recent findings show that prolonged fasting triggers significant and systematic changes across multiple organs in the body. These results highlight potential health benefits that extend beyond weight loss, but they also reveal that these impactful changes only begin to occur after three full days without food.

Health Benefits of Fasting Unveiled.

82 Year Old Longevity Biohacker’s Experience With Follistatin Gene Therapy

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AI Reveals Gene Activity in Human Cells

Summary: Researchers have developed an AI model that accurately predicts gene activity in any human cell, providing insights into cellular functions and disease mechanisms.

Trained on data from over 1.3 million cells, the model can predict gene expression in unseen cell types with high accuracy. It has already uncovered mechanisms driving a pediatric leukemia and may help explore the genome’s “dark matter,” where most cancer mutations occur.

A new era in genetic engineering: Researchers present single tool with multiple gene editing functions

Influential inventions often combine existing tools in new ways. The iPhone, for instance, amalgamated the telephone, web browser and camera, among many other devices.

The same is now possible in . Rather than employ separate tools for editing genes and regulating their expression, these distinct goals can now be combined into a single tool that can simultaneously and independently address different genetic diseases in the same cell.

In a new paper in Nature Communications, researchers in the Center for Precision Engineering for Health (CPE4H) at the University of Pennsylvania School of Engineering and Applied Science (Penn Engineering) describe minimal versatile genetic perturbation technology (mvGPT).

Tiny Chips promise Swift Disease Diagnosis from a Single Breath

In a world grappling with a multitude of health threats—ranging from fast-spreading viruses to chronic diseases and drug-resistant bacteria—the need for quick, reliable, and easy-to-use home diagnostic tests has never been greater. Imagine a future where these tests can be done anywhere, by anyone, using a device as small and portable as your smartwatch. To do that, you need microchips capable of detecting miniscule concentrations of viruses or bacteria in the air.

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