tech and geek stuff
Microbes compete for nutrients, affect metabolism, development in mice
If our microbiome overindulges, we might not have access to the nutrients we need. That's the suggestion from new research that shows mice that harbor high levels of microbes that eat choline are deprived...
Longevity hormone boosts memory and protects against brain aging in mice
In a study that augues well for the therapeutic potential of klotho -- a life-extending protein hormone that a minority of people naturally produce at high levels -- scientists have found that administering...
Social influences can override aggression in male mice, study shows
A cluster of nerve cells in the male mouse's brain have been identified that, when activated, triggers territorial rage in a variety of situations. Activating the same cluster has no such effect on female...
Stem cells in the brain’s hypothalamus help mice stay young
Brain stem cells keep us youngSilvia Riccardi/SPLBy Jessica HamzelouYOUR brain may be to blame for your ageing body. A small cluster of stem cells in the brain seems to help mice stay young, and injecting...
Lasers reactivate ‘lost’ memories in mice with Alzheimer’s
A good memory aid – but lasers might be betterDiana Haronis/GettyBy Alice KleinA chance to remember? Forgotten memories have been reawakened in mice with Alzheimer’s disease, suggesting that the condition...
Chronic liver inflammation linked to Western diet
A new study reports that mice fed a Western diet, which is high in fat and sugar, resulted in hepatic inflammation, especially in males. Moreover, liver inflammation was most pronounced in Western diet-fed...
Controlling memory by triggering specific brain waves during sleep
Scientists at the Center for Cognition and Sociality, within the Institute for Basic Science (IBS), enhanced or reduced mouse memorization skills by modulating specific synchronized brain waves during...
CRISPR gene editing technique is probably safe, study confirms
How many mutations?By Michael Le PageAs you were. In May, a study claimed that the revolutionary CRISPR gene editing technique can cause thousands of unwanted and potentially dangerous mutations. The...
Smelling your food makes you fat
Researchers developed ways to temporarily eliminate the sense of smell in adult mice, and discovered that those mice that lost smell could eat a high-fat diet and stay a normal weight, while littermates...
Old brains can’t hear similar sounds but a drug can change that
Squeak up – my hearing isn’t so good these daysPanther Media GmbH/Alamy Stock PhotoBy Alice KleinHave you noticed that learning languages or musical instruments becomes harder as you get older? It may...
Anxiety drug may prevent common virus that causes birth defects
There is no vaccine for cytomegalovirusJames Cavallini/SPLBy Linda GeddesAn anxiety drug could prevent a common virus from causing birth defects and deafness, a study in newborn mice suggests. Roughly...
Logitech’s G703 and G903 wireless gaming mice can wirelessly charge, too
Logitech has announced two brand new gaming mice, the Logitech G703 and G903, as well as its first-ever wireless charging mouse mat, the Powerplay, in time for E3 2017.Both mice feature much of the same...
Gene tweak in gut bacteria could turn faeces blue if you’re ill
The right dyes and pigments can make bacteria change colourSTEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARYBy Clare WilsonChecking the hue of your faeces could soon reveal why you are feeling off-colour. Gut...
Cannabis reverses aging processes in the brain, study suggests
Memory performance decreases with increasing age. Cannabis can reverse these ageing processes in the brain. This was shown in mice by scientists at the University of Bonn with their colleagues at The Hebrew...
A little cannabis every day might keep brain ageing at bay
Can marijuana boost learning as we get older?Massey/Keystone/REX/ShutterstockBy Michael Le PageIn some cultures, it’s traditional for elders to smoke grass, a practice said to help them pass on tribal...
Environmental enrichment triggers mouse wound repair response
Living in a stimulating environment has a wide range of health benefits in humans and has even been shown to fight cancer in mice, but the underlying mechanisms have been unclear. A study now reveals that...
Genetics, environment combine to give everyone a unique sense of smell
Receptors in the noses of mice exposed to certain smells during life are different to genetically similar mice that lived without those smells, new research shows. The study found it is this combination...
Getting antibiotics as a baby may have lasting effects on brain, behavior
EnlargeGetty | VOISIN reader comments 14 Share this story Banishing bacteria from the body with antibiotics around birth may cause haywire signals in the brain and lasting behavioral changes, a series...
Mice lived with us 15,000 years ago even before farming took off
Stealing our food for millenniaImagebroker/FLPABy Sam WongThe close relationship between mice and humans seems to have begun with the earliest settled people around 15,000 years ago – even before the...
Low levels of simple chemical associated with aging, DNA damage
EnlargeNIH reader comments 11 Share this story Approximately ten thousand times each day, the DNA in our cells receives some damage, but most of that damage is repaired by our cells' built-in DNA repair...
Chronic pain and depression are linked by brain gene changes
Painful news: anxiety and chronic pain go together but how?Blend Images/SuperstockBy Anil AnanthaswamyPeople who have chronic pain are more likely to experience mood disorders, but it’s not clear how...
Creepy mouse experiment helps scientists understand contagious behavior
reader comments 2 Share this story A mouse watches a video of another mouse scratching and becomes itchy. This means contagious scratching isn't based on smells or being familiar with the itchy mouse.Humans...
A fasting-diet may trigger regeneration of a diabetic pancreas
Enlarge / These mice are about to have issues.Getty | Portland Press Herald reader comments 1 Share this story In mice with either type I or type 2 diabetes, an intense, four-day fasting diet seemed to...
‘Meditating mice’ reveal secrets of mindfulness training
Peter Mulligan/GettyBy Sam Wong Can a mouse be mindful? Researchers believe they have created the world’s first mouse model of meditation by using light to trigger brain activity similar to what meditation...
Drug stops nasty chemotherapy side effects in mice with cancer
Chemo drugs: side effects can persist for monthsL Eric Schwortz/GettyBy Jessica HamzelouPain, nausea and utter exhaustion are just a few of the horrendous side effects most people experience when undergoing...
Sleep deprivation handicaps the brain's ability to form new memories, mouse study shows
Studying mice, scientists have fortified evidence that a key purpose of sleep is to recalibrate the brain cells responsible for learning and memory so the animals can 'solidify' lessons learned and use...
Memories can be disconnected – and it could help those with PTSD
If only we could forget unpleasant memoriesNina Sinitskaya/GettyBy Anil AnanthaswamyPeople with post-traumatic stress disorder often get flashbacks that can be triggered by an innocuous smell or sound....
Gene-blocking therapy reverses Alzheimer’s-like symptoms in mice
The treatment appears to destroy tau tangles (green)Sarah DeVosTargeting tangles of tau protein in mice with Alzheimer’s-like symptoms has reversed their brain damage, halting memory loss and extending...
Antibody can protect brains from the ageing effects of old blood
If that’s old blood, I might passLudsam/GettyBy Jessica HamzelouOld blood may have a powerful effect, damaging organs and contributing to ageing. Now a compound has been developed that seems to protect...
Cleverly designed tuberculosis vaccine shows promise in mice
A clever new tuberculosis vaccine has shown promise in trials in mice. If it succeeds, it will be the first new TB vaccine in a century. With the rise of multidrug resistant tuberculosis, the difficulty...
Scientists adapt mouse brain to create enraged killers
Researchers tinkering with the brains of mice because they can't find anything interesting on Netflix have found a bizarre form of organic switch, one that uses laser light and chemicals to trigger neurons...
Mice turn into killers when brain circuit is triggered by laser
In for the killIvan de AraujoBy Alice KleinInside every mouse lurks a natural-born killer. Researchers have identified the brain region that controls hunting, and have found a way to switch it on and...
Tipsy mice on “alcoholic weekend” reveal how drinking triggers binge eating
Enlarge / CHELSEA - FEBRUARY 15: Burgers and beers at Bill's Bar on February 15, 2016 in Downtown New York, NY. (Photo by Waring Abbott/Getty Images)Getty | Waring Abbott reader comments 1 Share this...
Alcohol prevents ability to extinguish fearful memories in mice
If the goal is to ease or extinguish fearful emotional memories like those associated with post-traumatic stress disorder, alcohol may make things worse, not better, experiments in mice suggest that. Results...
Cooler Master’s new RGB mouse is an affordable way to up your game
Two fresh gaming mice have scuttled out from the Cooler Master stable, in the form of mid-range and budget MasterMouse S offerings.The middle-of-the-road MasterMouse S is a compact optical gaming mouse...
Roccat is promising zero lag in its new wireless gaming mouse
Wireless gaming mice are great for comfort and convenience, but for gamers the lag that often accompanies them is a significant drawback. That might be about to change, though, if Roccat’s latest gaming...
Fasting blocks a specific leukemia in mice
Wild rodents spread more than 35 diseases. Pet mice and rats carry much fewer, luckily, but the diseases they do spread include rat bit fever and Leptospirosis.ArtBrom reader comments 2 Share this story...
Cellular reprogramming slows aging in mice
Scientists have rolled back time for live mice through systemic cellular reprogramming, according to a new study. In mice carrying a mutation leading to premature aging, reprogramming of chemical marks...
New tumor target strategy halts human cancer in up to 90% of mice
reader comments 11 Share this story When trying to beat back a patient's cancer, doctors struggle to sic chemical treatments on cancer cells while mostly leaving healthy cells alone and safe. This critical...
Brain cell transplant helps fearful mice overcome anxiety
I can see you and I’m not scaredDimitri Vervitsiotis/GettyBy Alice KleinHow can you stop old anxieties from resurfacing? An injection of new neurons may help, a study in mice suggests. Post-traumatic...
CRISPR used for first time to correct clotting in newborn and adult mice
CRISPR/Cas9, a powerful genome editing tool, is showing promise for efficient correction of disease-causing mutations. For the first time, researchers have developed a dual gene therapy approach to deliver...
Why diet drinks with aspartame may actually help make you fatter
Aspartame is used as a sweetener in many diet drinksTMG/GettyBy Andy CoghlanIt may sound like a healthy switch, but sometimes people who drink diet soft drinks put on more weight and develop chronic disorders...
Mouse lifespan, heart health extended by common chemical
EnlargeGetty | Portland Press Herald reader comments 15 Share this story Spermidine is a chemical that's normally found in living tissues, where it influences a variety of biological processes. While...
Concern for men’s health mounts as Zika batters testicles of mice in new study
EnlargeGetty | Portland Press Herald reader comments 33 Share this story Zika is notorious for devastating parents. The virus seized worldwide attention last year by mercilessly causing birth defects,...
Is pain catching? First clues that it might spread to others
House mouse: I feel your painWilfried Martin/imageBroker/Rex/ShutterstockBy Andy CoghlanAre other people making you feel their pain? That’s one possible upshot of experiments that seem to show sensitivity...
Young ovaries rejuvenate older mice and extend their lifespan
The secret of youth?BSIP VEM/Science Photo LibraryBy Jessica HamzelouOvaries may hold the secret for holding back ageing in females. Swapping an older mouse’s ovaries for young ones seems to reverse the...
Mice sing like a jet-engine
Mice court one another with ultrasonic love songs that are inaudible to the human ear. New research shows they make these unique high frequency sounds using a mechanism that has only previously been observed...
Brain has carrot and stick to teach us how to behave
Illusion of choice: addiction may hijack the part of the brain that helps us make good decisions Monkey Business Images/REX/ShutterstockBy Andy CoghlanYou made a choice and it didn’t turn out too well....
Building blocks of memories seen in brains for the first time
Mapping memorySusanne Reichinnek/Institut de neurobiologie de la mediterraneeBy Emily BensonAt last, we’ve seen what might be the primary building blocks of memories lighting up in the brains of mice....
What you eat when you’re sick may determine if you’ll get better
Feels like flu? Let your body decide what to eatSouth agency/GettyBy Debora MacKenzieCrave chicken soup when you have a cold? There may be a good reason for that. Research in mice has found that changing...
The fish that have bellies full of mice – but we don’t know how
Don’t go near the waterJouan & Rius/NaturePLBy Robin WylieIt’s a cat-and-mouse tale with a difference. The lesser salmon catfish has been found feasting on mice. But how does it catch them? Some catfish...
Pill for Menstrual Pain Restores Memory in Mice with Alzheimer's
A surprising discovery has been made in the treatment of Alzheimer's disease. An anti-inflammatory drug used to treat menstrual pain completely reversed memory symptoms in mice with Alzheimer's. The drug,...
Herpes infections are worse if contracted at the end of the day
Watch out for virusesPeter Ginter/GettyBy New Scientist staff and Press AssociationHow likely are you to get ill? Check the clock. A study of circadian rhythms has revealed that mice are more susceptible...
Self-destructing bacteria are engineered to kill cancer cells
A secret weapon in the war on cancer?Manfred Rohde/HZIBy Sally AdeeIn the war against cancer, we need new weapons. Bacteria could prove useful new recruits in the battle, armed with poisons and engineered...
Is artificial lighting making us sick? New evidence in mice
Along with eating right and exercising, people should consider adding another healthy habit to their list: turning out the lights. That's according to a new study showing many negative health consequences...
Too much light weakens bones and changes immune system
Light has a dark sideAnne-Sophie Bost/PhotoAlto/GettyBy Andy Coghlan Too much light is bad for your health. So suggests research in mice, which found that six months of continuous lighting led to a loss...
Blind Mice Get Sight Back In Landmark Procedure
A team of scientists managed to regenerate severed optic-nerve cables to re-establish a link between the mice's eyes and their brains.Researchers believe the breakthrough could pave the way for the development...
Mice can see again! Visual activity regenerates neural connections between eye and brain
A study in mice shows for the first time that visual stimulation can help damaged retinal neurons regrow optic nerve fibers (retinal ganglion cell axons). In combination with chemically induced neural...
Having three genetic parents makes mice age better
The cell's powerhouse, which looks a bit like a heavily compartmentalized kidney bean.NIHMitochondria are “the powerhouse of the cell” (or so every fifth grade biology book will tell you) because they...
Memories of favourite locations have a special place in brain
Only key places get lodged deeper in the hippocampusSean Gallup/GettyBy Andy CoghlanIt could be that romantic restaurant, or your favourite park bench. A specific part of the brain seems to be responsible...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark