https://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Dog attacks are on the rise in Australia. The most recent data from the Australian Institute of Health and Welfare show dog-related hospital admissions more than doubled in the eight years to 2021. https://phys.org/news/2026-01-australia-canine-brain-bank-dog.html Molecular & Computational biology Fri, 16 Jan 2026 10:37:22 EST news687782221 Legalized sports betting comes with a hidden public safety cost: a measurable rise in violent and impulsive crime on game days––even in states without gambling, according to new research led by the University of Michigan. https://phys.org/news/2025-12-legal-sports-linked-sharp-violent.html Social Sciences Tue, 16 Dec 2025 15:59:29 EST news685123141 A paper in Molecular Biology and Evolution, reports that Italian bears living in areas with many villages evolved and became smaller and less aggressive. https://phys.org/news/2025-12-italian-villages-evolved-smaller-aggressive.html Evolution Mon, 15 Dec 2025 00:10:01 EST news684756181 Suspending or expelling a student is the most serious disciplinary measure available to schools. https://phys.org/news/2025-10-tracked-nsw-school-students-decade.html Social Sciences Thu, 09 Oct 2025 10:17:04 EDT news679223821 As many dog owners can attest, their four-legged companions are delightful and loving. But for others, their animals have an aggressive side, such as biting and attacking strangers, which may ultimately lead to them having to be euthanized. But why do some dogs turn out this way? https://phys.org/news/2025-10-trauma-puppy-months-linked-adult.html Plants & Animals Fri, 03 Oct 2025 09:54:34 EDT news678704066 It's survival of the fittest in nature, and an alien-looking ground mite demonstrates how the most promiscuous males fight and sometimes even cannibalize other males to 'win' greater access to females. https://phys.org/news/2025-09-tiny-mite-rivals-competition-aggressive.html Plants & Animals Mon, 01 Sep 2025 09:44:02 EDT news675938641 Human men are typically more aggressive than human women, a finding supported by reams of research. But surveys of 4,136 individuals in 24 countries reveal an exception to the trend: aggression in sibling relationships. The study is published in the journal PNAS Nexus. https://phys.org/news/2025-08-females-higher-sibling-specific-aggression.html Social Sciences Tue, 26 Aug 2025 14:33:02 EDT news675437581 Nonhuman animals can adapt the intensity and direction of aggression to suit their individual needs and social contexts, according to a recent study. https://phys.org/news/2025-07-gorillas-adjust-aggression-based-personal.html Plants & Animals Fri, 25 Jul 2025 10:30:01 EDT news672657027 Spotted in Barbour County, Alabama, just over the Chattahoochee River from Georgia, Africanized bees—a hybrid between European and African honey bees—are known for their aggression and ability to sting people to death. The Alabama county is across the river from Georgia's Quitman County, with a rural population of just over 2,200, and roughly 85 miles west of Albany. https://phys.org/news/2025-07-killer-bees-swarm-georgia-border.html Plants & Animals Mon, 07 Jul 2025 10:00:01 EDT news671097587 Busy tourist season is nearly upon Yosemite National Park and officials are warning visitors to be cautious of "one of the most dangerous animals" in the park—and it turns out it doesn't have claws. https://phys.org/news/2025-05-dangerous-animal-yosemite-national-doesnt.html Plants & Animals Thu, 01 May 2025 07:30:02 EDT news665302062 Glioblastoma multiforme is an aggressive brain tumor that mainly affects adults. Approximately 30,000 people in the U.S. are diagnosed with GBM every year and patients have a 5-year survival rate of 7%. Current treatments include surgery, radiation therapy and chemotherapy with temozolomide. Unfortunately, none of these methods can cure GBM. https://phys.org/news/2025-04-nanoparticle-treatment-combined-therapy-significantly.html Bio & Medicine Wed, 23 Apr 2025 14:33:03 EDT news664637581 If there were a contest for the biggest female bullies in the animal world, lemurs would be near the top of the list. In these distant primate cousins, it's the ladies who call the shots, relying on physical aggression to get their way and keep males in line. https://phys.org/news/2025-04-lemur-brains-girls-nice.html Plants & Animals Mon, 21 Apr 2025 16:15:03 EDT news664470901 A meta-analysis of scientific studies, published in Biological Reviews has investigated differences in resource use efficiency between native and non-native species. https://phys.org/news/2025-04-nonnative-species-higher-consumption-native.html Ecology Thu, 10 Apr 2025 15:31:04 EDT news663517862 As dog ownership continues to rise, the need for effective training solutions and a better understanding of dogs' welfare needs has become increasingly important. Behavioral problems in dogs can bring major welfare concerns for both dogs and their owners and, in the worst possible cases, can lead to relinquishment or euthanasia of the animal. https://phys.org/news/2025-03-app-problematic-behaviors-dogs.html Veterinary medicine Mon, 03 Mar 2025 10:01:03 EST news660218461 Workplace aggression is a pervasive and highly damaging issue that costs organizations billions of dollars annually in lost productivity. Beyond financial losses, it fosters toxic workplace cultures, exposes companies to legal and reputational risks, and causes substantial distress for those who experience or witness it. https://phys.org/news/2025-02-workplace-aggression-real-leaders-action.html Economics & Business Thu, 27 Feb 2025 13:13:05 EST news659884382 Geddy has lived a big life for a little dog. As a puppy, the tiny terrier mix was abandoned in Mississippi during a high-speed car chase. Rescued by law enforcement, she found a loving home in Pennsylvania. Life was good—until last summer. https://phys.org/news/2025-02-tiny-dog-outsized-contribution-brain.html Veterinary medicine Thu, 27 Feb 2025 08:49:02 EST news659868537 Temu has made a remarkable entry in the global e-commerce landscape, quickly becoming the fifth largest online marketplace in France. Critics claim Temu's ultra-competitive pricing relies on unfair practices. Yet its success stems from the powerful—and proven—business model of its parent company, Pinduoduo, which started as an online marketplace for fresh fruit. https://phys.org/news/2025-02-secrets-online-marketplace-dominance.html Economics & Business Tue, 18 Feb 2025 12:45:04 EST news659105101 A single gene that regulates testosterone levels in a "crazy" species of shore bird controls the development of three wildly different types of males, an international study involving researchers at Simon Fraser University has found. https://phys.org/news/2025-01-super-enzyme-testosterone-males-crazy.html Plants & Animals Thu, 23 Jan 2025 14:27:55 EST news656864873 Researchers at the University of Florida College of Veterinary Medicine and the UF Health Cancer Center have identified a crucial link between a gene mutation and immune system signaling in canine hemangiosarcoma, a discovery that could lead to better treatments for both dogs and humans with similar cancers. https://phys.org/news/2025-01-deadly-dog-cancer-reveals-clues.html Molecular & Computational biology Tue, 21 Jan 2025 16:46:55 EST news656700410 A team of evolutionary biologists has demonstrated that ants learn from experience. Led by Dr. Volker Nehring, research associate in the Evolutionary Biology and Animal Ecology group at the University of Freiburg, and doctoral student Mélanie Bey, the team repeatedly confronted ants with competitors from another nest. The test ants remembered the negative experiences they had during these encounters. https://phys.org/news/2025-01-ants-grudges.html Plants & Animals Wed, 08 Jan 2025 08:45:46 EST news655548344 A team of marine biologists at the University of Southern Denmark has discovered a solo male dolphin living in the Baltic Sea, who appears to be talking to himself. In their paper published in the journal Bioacoustics, the group describes how they analyzed underwater sound recordings that captured thousands of sounds made by the dolphin and what they learned from them. https://phys.org/news/2024-11-lonely-dolphin-baltic-sea.html Plants & Animals Tue, 19 Nov 2024 09:59:45 EST news651232780 In stalk-eyed flies, longer eyestalks attract the ladies. Females prefer males with longer eyestalks, and other males are less likely to fight them for access to females. But some males have a copy of the X chromosome which always causes short eyestalks. https://phys.org/news/2024-10-male-stalk-eyed-flies-short.html Plants & Animals Mon, 21 Oct 2024 00:00:01 EDT news648465567 A research group led by Joshua Neunuebel at the University of Delaware, U.S., tracked the behavior of mice using machine learning to understand how they handle aggressive behavior from other mice. The researchers' findings, published on October 15 in the open-access journal PLOS Biology, show that male mice deescalate aggressive encounters by running over to a female mouse to distract the aggressive male mouse. https://phys.org/news/2024-10-male-mice-female-distract-aggressors.html Plants & Animals Tue, 15 Oct 2024 14:00:01 EDT news648201177 Being at school among peers and friends can be exciting and positive for many children and youth. But, too many kids in Canada face the reality of being bullied because of some aspect of who they are. https://phys.org/news/2024-10-kids-bullying-rooted-social-power.html Social Sciences Mon, 14 Oct 2024 15:00:01 EDT news648136253 As someone who has spent most of his professional life studying how children develop, I'm often asked by parents (especially moms) why children (especially boys) are prone to pick up the nearest stick, pencil, soft toy or even banana and turn them into weapons? https://phys.org/news/2024-09-boys-nerf-guns-fake-swords.html Social Sciences Thu, 12 Sep 2024 11:52:23 EDT news645360738 A team of mental health, human behavior and economic specialists affiliated with several institutions in Japan has found that under the right conditions, playing video games may be good for mental health. https://phys.org/news/2024-08-video-game-playing-mental-health.html Social Sciences Tue, 20 Aug 2024 09:50:02 EDT news643364002 Certain messages can drive internet users to take action in the face of cyberbullying, although the diffusion of responsibility on the internet works similarly to that in direct contact, say researchers from SWPS University. https://phys.org/news/2024-08-reaction-responsibility-internet-users.html Social Sciences Wed, 14 Aug 2024 16:28:03 EDT news642871681 Cape fur seals with rabies have infected at least seven people in South Africa and vaccinations will be trialed to try to contain what is the first documented outbreak of the disease in a marine mammal population, a coastal management official said Wednesday. https://phys.org/news/2024-07-safrica-trial-vaccination-rabies-outbreak.html Ecology Wed, 31 Jul 2024 12:10:40 EDT news641646635 A study from researchers at Durham University has found that the process of domestication and selective breeding has limited the ability of domestic dogs to use facial expressions to convey effective states (emotions) as effectively as their wolf ancestors. https://phys.org/news/2024-06-constrained-communication-abilities-domestic-dogs.html Plants & Animals Tue, 04 Jun 2024 10:30:00 EDT news636715796 A pair of biologists at the University of Belgrade, in Serbia, has found that dice snakes use a variety of techniques to fool predators into believing they have died. In their paper published in the journal Biology Letters, Vukašin Bjelica and Ana Golubović, describe how they captured hundreds of the snakes using their hands to learn more about their death feigning (DF) abilities and what they learned by doing so. https://phys.org/news/2024-05-dice-snakes-variety-techniques-effectively.html Plants & Animals Mon, 13 May 2024 10:30:02 EDT news634812854