Digital Phablet

Tag: bacteria

  • Scientists Harness Bacteria to Develop Cooling Material for Electronics & EVs

    Scientists Harness Bacteria to Develop Cooling Material for Electronics & EVs

    Graphical abstract. Credit: Matter (2026).


    As electronics like computers, electric vehicles, and advanced gadgets increase in power, they generate more heat.

    Excess heat can slow down devices, diminish performance, shorten their lifespan, and even cause damage to critical components. Improving heat dissipation methods has become one of the main challenges in modern electronic design.

    Now, researchers at the University of Tennessee, Knoxville, have come up with a unique solution: harnessing bacteria to develop high-efficiency cooling materials.

    This innovative approach offers an eco-friendly way to produce thermal interface materials—thin layers placed between electronic components and cooling systems.

    These materials fill microscopic gaps that can trap air, aiding in the transfer of heat from hot electronic parts to cooling devices like heat sinks.

    The study, published in *Matter*, shows that the bacteria-derived material can conduct heat five to ten times better than many traditional thermal interface products.

    Led by Dr. Weinan Xu, an assistant professor in materials science and engineering, the team avoids traditional manufacturing methods that consume large amounts of energy. Instead, they use bacteria to help create the material under much gentler conditions.

    The process begins by feeding certain bacteria sugar, which fuels their growth. Metal ions are also supplied to act as building blocks for the final product.

    As the bacteria multiply, they naturally produce both organic and inorganic substances that combine into a highly effective heat-conducting structure.

    One major benefit of this method is that everything occurs at room temperature in water, unlike conventional techniques that require high heat, harsh chemicals, and significant energy input.

    This bacteria-based process sidesteps many environmental issues associated with traditional manufacturing, while yielding a material with superior cooling performance.

    Effective cooling is especially crucial as modern electronics demand more power.

    Powerful computers, AI systems, electric vehicle batteries, drones, and military gear all generate substantial heat during operation. Improved cooling methods enable these systems to run faster, more reliably, and for longer periods without overheating.

    The research has already attracted interest from DARPA, the U.S. Defense Advanced Research Projects Agency, which is funding efforts to develop next-generation cooling solutions for military electronics and energy storage. The agency focuses not just on performance but also on cleaner, more sustainable manufacturing processes.

    Beyond electronic cooling, the scientists believe this bacteria-based technique could have other applications. It might help recover valuable rare earth elements used in electronics and renewable energy tech. Additionally, the structures created by bacteria could be compatible with biological tissues, opening doors for biomedical uses such as tissue engineering and medical research.

    Although promising, the technology still requires refinement. Currently, producing enough material can take days or even weeks. Researchers are working to shorten this timeline and lower costs, aiming for large-scale manufacturing.

    Xu’s team is also collaborating with industry partners to explore commercial opportunities, including cooling solutions for computers, EV batteries, drones, and other high-power electronic devices.

    If scaled successfully, bacteria-based manufacturing could lead to more affordable, environmentally friendly cooling materials—enhancing device performance and reliability while minimizing ecological impact.



  • New Natural Spray Promises to Freshen Dogs’ Breath

    New Natural Spray Promises to Freshen Dogs’ Breath

    Many dog owners cherish their pets but often struggle with one common issue: bad breath. While unpleasant, foul dog breath can also signal underlying oral health problems and the presence of harmful bacteria in the mouth. Veterinarians typically recommend daily brushing, antibiotics, or chemical mouth rinses to tackle the issue, but solutions can sometimes be invasive or chemical-based.

    Recently, scientists may have identified a more natural and straightforward alternative that involves an unexpected ingredient: sugarcane molasses. A new study published in the Journal of Agricultural and Food Chemistry describes a plant-based mouth spray made from polyphenols extracted from molasses, the thick syrup remaining after sugar extraction. The researchers discovered that this spray significantly diminished bad breath and suppressed harmful bacteria in a dog’s mouth.

    Led by Hongye Li, the research team aimed to determine if an agricultural by-product could be transformed into a safe, sustainable oral health treatment for pets. Prior studies by the group showed that sugarcane molasses contains polyphenols—compounds capable of curbing harmful bacteria growth in laboratory settings.

    To test its effectiveness in real animals, the researchers recruited ten healthy dogs with noticeable bad breath. With owners’ consent, they applied the molasses-based spray into each dog’s mouth and collected saliva samples to observe changes in breath odor.

    The results were impressive. Just one hour after application, trained evaluators reported that the dogs’ bad breath had nearly disappeared. Laboratory analyses confirmed that several foul-smelling chemicals—esters, amines, and aldehydes—became undetectable in the saliva, compounds often associated with unpleasant odors.

    Importantly, the spray didn’t just mask odors with artificial scents. According to Li, the spray has a mild, natural aroma reminiscent of plants and molasses that is not unpleasant. Scientific testing revealed it actually reduced the levels of odor-causing chemicals inside the mouth.

    Further testing involved daily use of the spray over 30 days. By the end of the trial, dogs’ saliva showed a marked reduction in odor-producing compounds. Their oral microbiomes—the bacterial communities living in the mouth—also underwent significant shifts. Notably, bacteria associated with bad breath, such as Porphyromonas and Fusobacterium, decreased substantially.

    The team believes the spray operates through multiple mechanisms. Li compared it to a sponge, a switch, and a gardener. Polyphenols absorb and neutralize odorous molecules like a sponge, block bacterial activities that generate foul smells, and gradually diminish populations of harmful bacteria, much like a gardener removing weeds.

    With hopes of becoming a natural, safe, and eco-friendly option, the scientists envision this spray improving pet oral health and making cuddling dogs a more pleasant experience for families.

  • Poor Oral Health Linked to Overall Body Diseases

    Poor Oral Health Linked to Overall Body Diseases

    Many individuals view oral health as purely a matter of teeth and gums. Typically, brushing, flossing, and routine dental visits are thought of as ways to prevent cavities and gum disease. However, recent scientific discoveries suggest that what happens inside the mouth might influence overall health more significantly than previously thought.

    A recent investigation conducted by Karolinska Institute in Sweden focused on bacteria associated with serious oral infections. The study, published in Microbiology Spectrum, aimed to pinpoint which bacteria are most common in these infections and explore potential links to other health conditions.

    Over the past decade, researchers have identified connections between poor dental health and various serious illnesses, including heart disease, diabetes, certain cancers, and Alzheimer’s disease.

    Yet, one big question remained: which specific bacteria are involved in these persistent, severe oral infections? To find out, scientists analyzed samples from patients with advanced oral infections collected at Karolinska University Hospital between 2010 and 2020. This long-term study enabled them to identify bacteria present and observe how these communities evolved over time.

    The findings revealed that certain bacteria consistently appeared in most cases. Some particularly harmful bacteria were found almost universally in these infections. Alarmingly, some of these bacteria have become more prevalent regionally, especially around Stockholm.

    The research categorized bacteria into four main groups: Firmicutes, Bacteroidetes, Proteobacteria, and Actinobacteria. Within these groups, specific types stood out, notably Streptococcus, Prevotella, and Staphylococcus—known to contribute to oral infections and also linked to issues in other parts of the body.

    This evidence supports the idea that these infections are not just localized problems—they may have broader health implications. Bacteria from the mouth can enter the bloodstream through bleeding gums or damaged tissue, traveling to other organs. Once in circulation, they can provoke inflammation or infections elsewhere, potentially worsening health conditions.

    Earlier research has also linked oral bacteria to diseases beyond the mouth. For instance, some bacteria common in oral infections have been found in the pancreas, where their presence has been associated with more aggressive forms of pancreatic cancer. Such findings suggest that bacteria from the mouth might influence disease development and progression in different parts of the body.

    These insights underscore the importance of understanding oral health better. The study advocates for closer cooperation between dental and medical professionals, sharing research and expertise to improve diagnosis and treatment strategies.

    Learning more about these bacteria could lead to preventative measures. Detecting harmful bacteria early might enable intervention before infections spread or inflict lasting damage. It could also pave the way for targeted treatments that more effectively eliminate specific bacteria.

    For everyday health, this research highlights that oral care is about more than just maintaining a bright smile. Good hygiene habits—brushing twice daily, flossing regularly, and seeing the dentist regularly—may help reduce harmful bacteria and protect overall health.

    While further studies are needed, evidence increasingly points to a strong link between oral health and overall well-being. Paying attention to dental health could lower the risk of serious health issues down the line.

    Scientists will continue exploring how oral bacteria interact with different systems in the body. As knowledge advances, it may lead to innovative approaches in preventing and treating diseases affecting millions worldwide.

    If you’re concerned about dental health, consider reading about common causes of tooth decay and gum disease, as well as how they might increase the risk of conditions like dementia. Additional research on mouthwash ingredients that could harm teeth and dietary options that support gum health can also provide valuable insights.

    Copyright © 2026 Knowridge Science Report. All rights reserved.

  • New Study Reveals Unexpected Gut Bacteria Connection to Parkinson’s

    New Study Reveals Unexpected Gut Bacteria Connection to Parkinson’s

    Credit: Unsplash+

    Parkinson’s disease is a chronic condition that impacts the brain, making it harder for individuals to control their movements. It typically begins subtly, with early signs like tremors, muscle stiffness, or balance issues.

    As the disease advances, everyday tasks become increasingly challenging. For years, researchers have sought to understand what triggers Parkinson’s, but the complete picture has remained elusive.

    Recent studies are shedding new light on how Parkinson’s may start. Instead of focusing solely on the brain, scientists are now exploring the gut—the body system responsible for digestion.

    This region hosts trillions of bacteria, many of which are beneficial and support our health. Yet, some bacteria may have harmful effects, and emerging research suggests they could play a role in Parkinson’s development.

    A team led by Professor Per Saris at the University of Helsinki discovered a strong link between Parkinson’s and a gut bacteria group called Desulfovibrio.

    These bacteria naturally reside in our intestines, with some being harmless. However, certain strains might be damaging and could contribute to the onset of Parkinson’s.

    One hallmark of Parkinson’s is the accumulation of a protein called alpha-synuclein in the brain. This protein can form clumps within neurons, disrupting their function and eventually causing cell damage. These clumps are thought to be key contributors to the disease’s symptoms.

    The study, published in the journal Frontiers in Cellular and Infection Microbiology, found that Desulfovibrio bacteria from Parkinson’s patients significantly increased alpha-synuclein clumping in lab models.

    Conversely, bacteria obtained from healthy individuals didn’t produce the same effect. The harmful strains also generated larger, more toxic protein clumps, indicating they might directly influence disease progression.

    This research supports earlier findings from 2021, which observed that individuals with higher levels of Desulfovibrio bacteria often exhibited more severe Parkinson’s symptoms. Subsequent studies from China reinforced these results, strengthening the case for a connection between this bacteria and the disease.

    Most Parkinson’s cases aren’t inherited but are believed to be triggered by environmental influences. Exposure to specific harmful bacteria could serve as one of the initiating factors. These discoveries offer a fresh perspective on how Parkinson’s might develop.

    Scientists now theorize that harmful Desulfovibrio bacteria could start the disease process in the gut, with protein clumps forming there and then traveling via the vagus nerve to the brain.

    This nerve links the gut and brain, transmitting signals between the two. If protein clumps reach the brain, they may continue to grow and spread, contributing to Parkinson’s symptoms.

    This insight opens exciting possibilities for future treatments. Instead of solely targeting the brain, doctors may develop strategies to eliminate or reduce harmful bacteria in the gut.

    If scientists can identify individuals carrying these detrimental strains, they might be able to intervene early by removing or suppressing them. This could prevent protein clumps from forming, potentially slowing or stopping the disease entirely.

    While there’s no cure yet for Parkinson’s, lifestyle choices can influence risk and health. Regular physical activity—like walking, swimming, or biking—helps maintain strength and may support brain health. A balanced diet rich in fruits, vegetables, whole grains, and lean proteins also promotes overall wellness.

    Protecting your head from injury is vital, as trauma has been linked to an increased risk of Parkinson’s. Reducing exposure to pesticides and other harmful chemicals might also diminish risk, along with avoiding smoking and excessive alcohol use.

    Engaging your mind through mental activities and staying socially connected can benefit brain health. Adequate sleep is essential too, as poor sleep patterns have been associated with a higher likelihood of neurological issues.

    Some research suggests vitamins could offer additional support. For instance, vitamin E might protect brain cells, and vitamin D could be beneficial for those already managing Parkinson’s. Still, more investigation is needed to fully understand these effects.

    This expanding research is reshaping our understanding of Parkinson’s. The link between gut bacteria and the disease provides new hope for early detection and innovative treatment approaches.

    By focusing on both the gut and the brain, scientists may develop future therapies to slow, halt, or even prevent Parkinson’s altogether.

    In the meantime, staying informed on these developments and maintaining a healthy lifestyle remain essential. As ongoing research progresses, these insights could lead to breakthroughs that transform patient care and improve countless lives worldwide.

    If you’re interested in Parkinson’s prevention, consider exploring studies on how vitamin B may slow cognitive decline and how a Mediterranean diet could reduce disease risk.

    Additional information about brain health includes recent findings that blueberry supplements may prevent cognitive decline and that plant-based diets might shield the brain from air pollution effects.

    Copyright © 2026 Knowridge Science Report. All rights reserved.

  • From Brainy Bandages to New Teeth: Google’s $425M Challenge

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    Heal, seal, and send data: Bandages for the Sci-Fi age

      Photo credits: Reuters

    Bandages are getting an upgrade, and they’re a lot smarter than a roll of gauze.

    At Caltech, researchers have built iCares, a patch that doesn’t just cover wounds, it spies on them. By tracking oxygen, pH, and other biomarkers, it can warn doctors if healing stalls or an infection starts brewing. In early human trials, that meant problems were spotted days earlier than with standard care. (Caltech)

    Meanwhile, scientists at BITS Pilani went full sci-fi: their bandage detects infections and kills bacteria on contact, no antibiotics needed. It uses reactive materials to zap microbes while keeping skin safe.

    Other labs are layering in flexible sensors that track moisture, heat, and chemical shifts. All signs of how a wound is really doing. (PMC)

    The big picture: chronic wounds affect millions worldwide, but smart bandages could cut hospital trips, speed up recovery, and slash antibiotic use. In other words: the next life-saving medical device might come out of your first-aid kit.

    The teeth’s second coming

    Glorious news for boxers, MMA enthusiasts, people with a short temper, and the elderly. Japanese researchers are formulating an experimental drug that will regrow teeth. Now you can eat sweets and only have to worry about blood sugar, fat, and diabetes.

    Bones and teeth are made up of the same things: Calcium, minerals, and collagen (and enamel for teeth). But teeth, unlike bones, lack the ability to regrow if damaged or broken. 

    Human trials began in September of last year, so this is something that could actually be promising. I think I speak for quite a few of us when I say, “We will watch your career with great interest.”

    Google just got hit with a $425M privacy smackdown

    Turns out, flipping that “off” switch on Google’s tracking settings wasn’t as final as users thought. A US federal court just ordered the tech giant to cough up $425 million (£316.3m) for quietly harvesting data from millions of people even after they’d disabled its Web & App Activity feature.

    The lawsuit, filed by fed-up users, accused Google of sneaking into mobile devices, scooping up personal data, and cashing in on it despite promises to respect privacy settings.

    The group had originally been gunning for a staggering $31 billion in damages, but even this verdict sends a sharp message: Big Tech can’t just nod at your privacy, then ignore it behind the curtain.

    Science just pulled a Rick Sanchez — 3D-printed skin that heals like the real thing

    “Aw jeez, Rick, they’ve gone and printed skin now!”

    No joke — Swedish researchers have 3D-printed artificial skin that can actually grow its own blood vessels. Think less lab coats, more Rick’s garage vibes.

    Here’s how it works: they cooked up a “bio-ink” where skin cells kick back on gelatin beanbags, spitting out collagen like it’s space goo. Then they 3D-printed hydrogel strands that dissolve into tiny tunnels — basically blood-flow portals waiting to be activated.


    Artwork by Affan Qasim; created using Gemini Pro 

    Why it matters: regular skin grafts are like patching up a spaceship with duct tape — they hold, they work, but they’re not the perfect fix. This new tech could mean grafts that heal faster, scar less, and behave more like the real thing.

    Still only in mice for now, but if science keeps leveling up like this, we’re not too far from “interdimensional wound healing.”

    Martian Mud Might Be Alive: NASA’s Latest Discovery Stirs Debate

    NASA’s Perseverance rover just turned over a rock—well, a whole mudstone—that could rewrite cosmic history.

    Before you pop the champagne: no, NASA hasn’t found alien microbes waving hello. What they have found are redox reactions—the same kind of chemical energy trades that, here on Earth, microbes use to stay alive.

    Joel Hurowitz, PhD—geosciences professor at Stony Brook University and lead author of the new paper—explains that these reactions could be plain chemistry. But here’s the kicker: their observations in Mars’ Bright Angel formation don’t line up neatly with a purely non-biological explanation. The iron, sulfur, and phosphorus-bearing nodules, plus those reaction fronts, might be a biosignature—a potential fingerprint of ancient life.

    This discovery doesn’t close the case for life on Mars—but it sure makes the Red Planet look less dead and a lot more interesting.

    Guiding drivers though the chaos (by blinding them in one eye)

    I’m getting ever closer to getting Vegeta’s ‘scouter’ from Dragon Ball Z (DBZ).

    Augmented Reality (AR) glasses have been a thing for a while, but Amazon is reportedly rolling out AR glasses for 100 ‘000 delivery drivers. While we’re still at least a year away from Amazon releasing these glasses — codenamed JayHawk — to the public, these glasses are supposed to have microphones, speakers, and a camera, and most importantly, a full-color display in one eye. 

    Now don’t get me wrong, this is pretty cool, but I’m a bit skeptical on how they’re going to implement this in an unobtrusive way for driving. We wouldn’t want driver’s half blind running into people’s mailboxes while making deliveries.

    Personally, I can’t wait to LARP as a DBZ character when these do come out. Hoping Bezos comes out with a monocle version.

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