Dogs News -- ScienceDaily Veterinary research and news on dogs as companions, canine health, wolf pack behavior and more. If it is news about dogs, you will find it here! Bumble bees balance their diets with surprising precision Bumble bees aren?t random foragers ? they?re master nutritionists. Over an eight-year field study in the Colorado Rockies, scientists uncovered that different bee species strategically balance their intake of protein, fats, and carbs by choosing pollen from specific flowers. Larger, long-tongued bees seek protein-rich pollen, while smaller, short-tongued species prefer carb- and fat-heavy sources. These dietary preferences shift with the seasons and colony life cycles, helping bees reduce competition, thrive together, and maintain strong colonies. Scientists unlock the gene that lets bearded dragons switch sex Two independent research teams have unveiled near-complete reference genomes of the central bearded dragon, a reptile with the rare ability to change sex depending on both chromosomes and nest temperature. Using next-generation sequencing technologies from China and Australia, the projects uncovered the long-sought genetic basis of sex determination in this lizard. Trojan horse bacteria sneak cancer-killing viruses into tumors Scientists have engineered a groundbreaking cancer treatment that uses bacteria to smuggle viruses directly into tumors, bypassing the immune system and delivering a powerful one-two punch against cancer cells. The bacteria act like Trojan horses, carrying viral payloads to cancer?s core, where the virus can spread and destroy malignant cells. Built-in safety features ensure the virus can?t multiply outside the tumor, offering a promising pathway for safe, targeted therapy. Can humans regrow eyes? These snails already do Apple snails can fully regrow their eyes, and their genes and eye structures are strikingly similar to humans. Scientists mapped the regeneration process and used CRISPR to identify genes, including pax6, as essential to eye development, raising hopes for future human vision restoration. Do dogs know who?s kind? Scientists put it to the test?and got a surprise Despite our strong belief in dogs' ability to sense good from bad in people, new research shows they may not actually judge human character, at least not in the way we think. When dogs watched how humans treated other dogs, they didn?t favor the kinder person later. Even direct interactions didn?t sway their behavior. The study suggests dogs' reputational judgments might be more nuanced?or harder to study?than we realized. Selfies, sugar, and death: How tourists are endangering elephants Tourists feeding wild elephants may seem innocent or even compassionate, but a new 18-year study reveals it s a recipe for disaster. Elephants in Sri Lanka and India have learned to beg for snacks sugary treats and human food leading to deadly encounters, injuries, and even the ingestion of plastic. Once wild animals become accustomed to handouts, they lose their natural instincts, grow bolder, and risk both their lives and the safety of humans. These dogs are trained to sniff out an invasive insect?and they're shockingly... Dogs trained by everyday pet owners are proving to be surprisingly powerful allies in the fight against the invasive spotted lanternfly. In a groundbreaking study, citizen scientists taught their dogs to sniff out the pests? hard-to-spot egg masses with impressive accuracy. The initiative not only taps into the huge community of recreational scent-detection dog enthusiasts, but also opens a promising new front in protecting agriculture. And it doesn?t stop there?these canine teams are now sniffing out vineyard diseases too, hinting at a whole new future of four-legged fieldwork. Dogs can detect Parkinson?s years before symptoms?with 98% accuracy Dogs trained to detect Parkinson?s disease using scent have shown remarkable accuracy in new research. In a double-blind trial, they identified skin swabs from people with Parkinson?s with up to 80% sensitivity and 98% specificity, even when other health conditions were present. The findings offer hope for a simple, non-invasive diagnostic method using biomarkers that appear long before traditional symptoms, potentially allowing earlier treatment and slowed disease progression. Florida cat sniffs out another new virus?and scientists are listening A cat named Pepper has once again helped scientists discover a new virus?this time a mysterious orthoreovirus found in a shrew. Researchers from the University of Florida, including virologist John Lednicky, identified this strain during unrelated testing and published its genome. Although once thought to be harmless, these viruses are increasingly linked to serious diseases in humans and animals. With previous discoveries also pointing to a pattern of viral emergence in wildlife, scientists stress the need for more surveillance?and Pepper remains an unlikely but reliable viral scout. Scientists? top 10 bee-magnet blooms?turn any lawn into a pollinator paradise Danish and Welsh botanists sifted through 400 studies, field-tested seed mixes, and uncovered a lineup of native and exotic blooms that both thrill human eyes and lure bees and hoverflies in droves, offering ready-made recipes for transforming lawns, parks, and patios into vibrant pollinator hotspots. How a lost gene gave the sea spider its bizarre, leggy body Scientists have decoded the sea spider?s genome for the first time, revealing how its strangely shaped body?with organs in its legs and barely any abdomen?may be tied to a missing gene. The detailed DNA map shows this ancient creature evolved differently from its spider and scorpion cousins, lacking genome duplications seen in those species. With new gene activity data, researchers now have a powerful tool to explore how sea spiders grow, regenerate, and evolved into some of the oddest arthropods on Earth. The pandemic pet boom was real. The happiness boost wasn?t Locked-down Hungarians who gained or lost pets saw almost no lasting shift in mood or loneliness, and new dog owners actually felt less calm and satisfied over time?hinting that the storied ?pet effect? may be more myth than mental-health remedy even in extreme isolation. These frozen wolf cubs ate a woolly rhino?and changed what we know about dogs Two Ice Age wolf pups once thought to be early dogs have been identified as wild wolves, thanks to detailed DNA and chemical analysis. Surprisingly, their last meals included woolly rhinoceros meat?an unusually large prey item?hinting that ancient wolves might have been bigger than today?s. Their well-preserved bodies also shed light on wolf pack behavior and Ice Age environments. Defying Darwin: Scientists discover worms rewrote their DNA to survive on land New research is shaking up our understanding of evolution by revealing that some species may not evolve gradually at all. Instead, scientists discovered that certain marine worms experienced an explosive genetic makeover when they transitioned to life on land over 200 million years ago. Their entire genome broke into pieces and was randomly reassembled an event so extreme it stunned researchers. This radical shift supports the theory of "punctuated equilibrium," where species remain unchanged for ages and then suddenly leap forward. Telehealth can improve care for cats with chronic health issues UC Davis researchers found that video telehealth visits help cat owners better care for arthritic cats without the stress of clinic visits. Owners appreciated personalized tips to improve their cat s comfort at home, and most said they'd pay for this convenient service. It s a game-changer for supporting cats with chronic conditions in a low-stress, familiar setting.

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