Researchers at Oregon Health & Science University have made a groundbreaking discovery in animal models that a one-time treatment regimen can permanently clear HIV from newborns. The study's findings have the potential to advance quickly to human clinical trials, offering new hope for millions of people worldwide who require lifelong t...
SourceOregon Health & Science University·JournalNature Microbiology·TypeExperimental study·DateAug 10, 2026
The first complete marmoset genome is now available, providing a high-quality reference for studying complex diseases like Alzheimer's. The new genome reveals variation in genes linked to Alzheimer's disease, as well as immune system genes and previously un-catalogued ribosomal DNA genes.
SourceUniversity of California - Santa Cruz·JournalCell·DateAug 6, 2026
A new study from the University of Kansas has introduced a new species of ancient primate, Tetonius varleyorum, which suggests its evolution might be more complex than previously thought. The discovery of this fossil at Smiley Draw in Wyoming provides fresh detail to the biogeographic and evolutionary history of primates.
Researchers at Kyoto University successfully eliminated hepatitis C virus in six chimpanzees using direct-acting antiviral therapy, improving their liver function and health. However, two chimpanzees died of liver cancer, highlighting the need for further study and potential drug resistance.
SourceKyoto University·JournalJournal of Medical Virology·TypeExperimental study·DateJul 26, 2026
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A new tool generates realistic monkey body animations, revealing an uncanny valley effect where macaques prefer less realistic avatars to highly realistic ones. The study provides the first evidence that non-human primates experience this phenomenon.
SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateJul 14, 2026
Researchers at UCL found that some small-bodied primates experience a tight cephalopelvic fit during childbirth due to their large newborn heads. These species, such as American monkeys and bushbabies, have developed adaptations to make the process less difficult, including pelvic expansion or delayed pelvic bone fusion.
SourceUniversity College London·JournalNature Ecology & Evolution·TypeData/statistical analysis·DateJun 29, 2026
A new study by Concordia researchers suggests that carefully habituating wild gorillas to non-threatening humans can help them overcome long-term aversions to people. Over an eight-year study in Cameroon, the animals' responses to human presence slowly changed from aggression and avoidance to curiosity and indifference.
SourceConcordia University·JournalAfrican Journal of Ecology·TypeObservational study·DateJun 10, 2026
In a study on Japanese macaques, researchers found that semi-shade is an important thermoregulatory option under hot, dry conditions. The macaques preferred semi-shade over full shade or sun when it was hot and dry, but not humid. This suggests that semi-shade may play a significant role in helping endotherms cope with heat stress.
SourceKyoto University·JournalPrimates·TypeObservational study·DateJun 3, 2026
A novel fecal proteomics method confirms orangutan mothers breastfeed their offspring continuously until 6.5 years old. This prolonged breastfeeding supports the high survival of orangutan offspring and contributes to their slow reproductive strategy.
SourceThe Graduate University for Advanced Studies, SOKENDAI·JournalCommunications Biology·TypeSurvey·DateMay 28, 2026
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A team of researchers created a touchscreen-based game task inspired by hide-and-seek to elicit curiosity in resident Japanese macaques. The monkeys preferred moderate uncertainty, spending nearly 100 trials without rewards. This study supports the goldilocks principle, where animals seek moderately complex or uncertain stimuli.
SourceKyoto University·JournaliScience·TypeExperimental study·DateMay 6, 2026
Researchers discovered that strokes cause a chain reaction within the brain, leading to neuronal cell death. They found that blocking collagen production can prevent this damage and even restore motor function in paralyzed monkeys. The new drug KDS12025 reduces hydrogen peroxide levels and prevents the entire process from being triggered.
SourceInstitute for Basic Science·JournalCell Metabolism·TypeExperimental study·DateApr 27, 2026
Researchers have created genetically modified marmosets with a knocked-out OTOF gene, replicating key characteristics of human deafness. The animals developed normally but were deaf from birth, offering a crucial tool for developing new therapies.
SourceDeutsches Primatenzentrum (DPZ)/German Primate Center·JournalNature Communications·TypeExperimental study·DateMar 31, 2026
Researchers at Kyoto University's EHUB center analyzed the musical performances of a 26-year-old male chimpanzee named Ayumu. The study found that Ayumu's instrumental sound-making was not random and exhibited isochronous intervals, similar to a metronome.
SourceKyoto University·JournalAnnals of the New York Academy of Sciences·TypeData/statistical analysis·DateMar 25, 2026
A study published in PLOS One found that humans can recognize and mimic emotional expressions of non-human primates, indicating a strong empathetic response. The researchers assessed facial expressions and emotional states of participants, revealing a strong connection between humans and non-human primates
SourcePLOS·JournalPLOS One·TypeExperimental study·DateMar 11, 2026
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Researchers investigated which characteristics of crystals made them fascinating to early humans, using experiments with chimpanzees. The chimps showed a strong attraction to transparent and crystalline properties, suggesting that this attraction may have deep evolutionary roots.
SourceFrontiers·JournalFrontiers in Psychology·TypeExperimental study·DateMar 4, 2026
A new study published in Global Ecology and Conservation found that released animals, like Bengal slow lorises, are at risk of being attacked by territorial peers. Only two out of nine released animals survived, with the others dying due to fatal attacks.
SourceAnglia Ruskin University·JournalGlobal Ecology and Conservation·DateFeb 25, 2026
A recent study has confirmed that wild African chimpanzees consume significant quantities of alcohol, with 17 out of 20 urine samples containing ethyl glucuronide, a metabolic byproduct of ethanol. The chimps' diet likely consists of fermented fruits, which provide around 14 grams of ethanol per day.
SourceUniversity of California - Berkeley·JournalBiology Letters·TypeObservational study·DateFeb 24, 2026
A new study reveals that the tempo of repetitive movements during bonobo sex is remarkably high, averaging seven movements per second. Facial mimicry plays a crucial role in this behavior, but its impact on the tempo of movements is limited, with a sharp drop in tempo after facial mimicry ceases.
SourceVrije Universiteit Brussel·JournalEvolution and Human Behavior·DateFeb 17, 2026
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A study found that prenatal alcohol exposure changed aspects of the dopamine system in rhesus monkeys, influencing how quickly they drank alcohol in adulthood. The researchers also discovered individualized neuroadaptive responses to drinking, which may promote the transition to alcohol use disorder.
SourceSociety for Neuroscience·JournalJNeurosci·DateFeb 2, 2026
Researchers found that hot spring bathing in Japanese macaques subtly reshapes their relationships with parasites and gut microbes. The study suggests that behavior can shape the animal holobiont and act as an important driver of animal health.
SourceKyoto University·JournalPrimates·TypeObservational study·DateJan 19, 2026
Dr. Noritaka Ichinohe challenges the long-held assumption that averaging away individual differences is necessary in psychiatric research. Instead, biological heterogeneity is seen as a phenomenon demanding explanation. The author's work on primate brain mapping and molecular subtyping has identified convergence points between species ...
SourceGenomic Press·JournalGenomic Psychiatry·TypeNews article·DateJan 6, 2026
Researchers discovered cerebellar signals strengthen visual cues during learning, facilitating precise visuomotor associations. This finding highlights the cerebellum's crucial role in cognitive functions beyond motor control.
SourceUniversity of Tsukuba·JournalCommunications Biology·DateDec 19, 2025
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Researchers at Tulane University have developed the first vaccine able to protect nonhuman primates from melioidosis, a long-neglected and deadly tropical disease on the rise. The vaccine uses outer membrane vesicles to trigger a powerful immune response.
SourceTulane University·JournalNature Communications·DateDec 18, 2025
Researchers at the German Primate Center discovered that Guinea baboons distribute meat according to patterns similar to those of human hunter-gatherer groups. The strength of relationships between animals determines who gets what, with closer ties leading to more peaceful transfers.
SourceDeutsches Primatenzentrum (DPZ)/German Primate Center·JournaliScience·TypeObservational study·DateOct 23, 2025
Researchers identified two major steps in the evolution of human bipedality, involving a shift in the growth plate and changes in bone formation. These genetic shifts, driven by genes such as SOX9 and PTH1R, fundamentally altered the pelvis geometry, enabling humans to walk upright.
SourceHarvard University·JournalNature·TypeObservational study·DateAug 27, 2025
Research finds lemurs evolved in multiple successive radiations, with hybridization contributing to new species emergence. Over 100 lemur species exist, but many are endangered due to habitat destruction and climate change.
SourceDeutsches Primatenzentrum (DPZ)/German Primate Center·JournalNature Communications·TypeData/statistical analysis·DateAug 27, 2025
A study by Steve Chang explores how oxytocin influences brain activity to shape social behavior in rhesus monkeys. The researchers found that oxytocin increased activity in the basolateral amygdala and anterior cingulate cortex when monkeys were socially motivated, maintaining beneficial decisions and social task behavior.
SourceSociety for Neuroscience·JournalJNeurosci·DateAug 11, 2025
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Female gorillas avoid groups with males they grew up with and instead seek out familiar females, highlighting the importance of social relationships in dispersal decisions. The study reveals that investing in these relationships can be crucial for cooperation within groups.
SourceUniversity of Zurich·JournalProceedings of the Royal Society B Biological Sciences·TypeExperimental study·DateAug 6, 2025
Research on gorillas reveals that females prioritize relationships with females they've lived with in the past when joining a new group, indicating importance of familiar connections. This network strategy helps facilitate the formation and maintenance of social relationships, even after years apart.
SourceDian Fossey Gorilla Fund International·JournalProceedings of the Royal Society B Biological Sciences·TypeObservational study·DateAug 5, 2025
A new study has coined the term 'scrumping' to describe great apes' fondness for eating ripe, fermented fruit from the forest floor. The researchers suggest that this behavior may have played a significant role in the evolution of human alcohol tolerance.
SourceDartmouth College·JournalBioScience·TypeLiterature review·DateJul 31, 2025
Researchers found that Issa Valley chimpanzees frequently climb trees for valuable food, which could explain why early hominins retained arboreal adaptations. The study suggests that safely navigating the canopy remained important for large, semi-arboreal apes in open habitats.
SourceFrontiers·JournalFrontiers in Ecology and Evolution·TypeObservational study·DateJul 29, 2025
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Researchers explored neuroanatomy underlying social dominance in nonhuman primates, focusing on the uncinate fasciculus and its correlation with social dominance measures. The study found a significant correlation between this brain tract and social aggression, supporting human studies linking it to social dominance.
SourceSociety for Neuroscience·JournalJNeurosci·DateJul 21, 2025
Researchers found that ring-tailed and sifaka lemurs show differences in life pacing and lifespan, making them useful comparisons to human evolution. The study suggests that lemurs avoid the phenomenon of inflammaging widely observed in humans, pointing to potential differences in aging mechanisms.
SourceDuke University·JournalJournal of Comparative Physiology B·TypeExperimental study·DateJul 10, 2025
Researchers have identified a single genetic difference in Fas Ligand, an immune protein, that makes it vulnerable to being disabled by plasmin, a tumor-associated enzyme. This vulnerability seems unique to humans and may contribute to the effectiveness of certain cancer treatments.
SourceUniversity of California - Davis Health·JournalNature Communications·TypeExperimental study·DateJul 2, 2025
Researchers from The University of Osaka found that Japanese macaques remain close to and care for their dying companions, displaying human-like reactions. The study reveals strong social bonds can affect behavior even after death, suggesting emotional capacities in non-human primates.
SourceThe University of Osaka·JournalPrimates·TypeObservational study·DateJun 25, 2025
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In a groundbreaking study, scientists observed chimpanzees in Uganda using medicinal leaves to clean and treat their own and others' wounds. The research provides insight into the cognitive and social foundations of human healthcare behaviors, highlighting the potential for natural remedies and community care.
SourceFrontiers·JournalFrontiers in Ecology and Evolution·TypeObservational study·DateMay 14, 2025
Researchers found that both bonobos and chimpanzees console peers at similar rates, but with greater variation within each species. Older apes are less likely to comfort younger ones in both groups.
SourceDurham University·JournalEvolution and Human Behavior·TypeObservational study·DateApr 25, 2025
Scientists successfully grow chimpanzee naive-type pluripotent stem cells, revealing key mechanisms for self-renewal and differentiation. The study's findings shed light on the evolutionary conservation of these properties, offering a powerful tool for investigating early developmental processes.
SourceInstitute of Science Tokyo·JournalCell Stem Cell·TypeExperimental study·DateApr 25, 2025
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Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.
A large-scale database of macaque behavior is driving a shift towards open science, bringing together researchers from across the globe to share data on social lives of over 3,000 individual monkeys. The platform has grown into a collaborative effort promoting culture of sharing within the research community.
SourceUniversity of Exeter·JournalJournal of Animal Ecology·DateApr 24, 2025
Researchers successfully treated atherosclerosis and fatty liver disease using DT-109 in nonhuman primates, which has potential as a dual therapy for two common conditions. The compound reduced the formation of atherosclerotic plaques and stopped critical processes that lead to vascular calcification.
SourceMichigan Medicine - University of Michigan·JournalSignal Transduction and Targeted Therapy·TypeExperimental study·DateApr 23, 2025
A study on captive olive baboons found that about a quarter exhibited accelerated aging, while another quarter showed signs of slower aging. The researchers investigated physical indicators such as walking speed and fine motor skills, but found that these changes were more closely related to chronological age than epigenetic age.
SourceImpact Journals LLC·JournalAging-US·TypeNews article·DateApr 23, 2025
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Researchers found that oxytocin receptors were more abundant in egalitarian lemur species, contributing to reduced aggression and increased harmony. The findings could shed light on the role of hormones in shaping behavior in humans and other animals.
SourceDuke University·JournalBiology Letters·TypeImaging analysis·DateApr 21, 2025
Researchers at the University of Exeter have observed wild chimpanzees consuming and sharing fermented African breadfruit containing ethanol, raising questions about the potential benefits of alcohol consumption in primates. The study suggests that chimps may be seeking out alcohol for social bonding and relaxation, similar to humans.
SourceUniversity of Exeter·JournalCurrent Biology·DateApr 21, 2025
A study by University College London anthropologists found that macaque mothers experience a short period of physical restlessness after the death of an infant, but do not exhibit typical human signs of grief. In contrast to human bereavement, macaque mothers spent less time resting in the first two weeks after their infants' deaths.
SourceUniversity College London·JournalBiology Letters·TypeObservational study·DateApr 15, 2025
The study provides a comprehensive reference for six ape species, including siamang, Sumatran orangutan, gorilla, bonobo, and chimpanzee. The ape genomes offer new insights into human and ape evolution, genetic differences among species, and potential therapeutic applications.
SourceUniversity of Washington School of Medicine/UW Medicine·JournalNature·TypeExperimental study·DateApr 9, 2025
Researchers discovered how monkeys produce 'voice breaks' and 'ultra-yodels' using their vocal membranes, which allow for a wider range of calls. These unique vocalizations enable monkeys to communicate in different ways, particularly in complex social lives.
SourceAnglia Ruskin University·JournalPhilosophical Transactions of the Royal Society B Biological Sciences·DateApr 2, 2025
GoPro HERO13 Black
GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.
Researchers have developed a nonviral gene delivery system to introduce transgenes into cynomolgus monkeys, expanding the use of genetic models for human disease research. The piggyBac transposon system allows for precise selection of modified embryos and flexible expression control.
SourceInstitute for the Advanced Study of Human Biology (ASHBi), Kyoto University·JournalNature Communications·TypeExperimental study·DateMar 25, 2025
Researchers compared cortical organization between humans and macaques, as well as humans and chimpanzees, to identify distinctively human neuroanatomical features. Unique prefrontal cortex organization and connections between brain regions associated with emotional regulation, social cognition, and language processing were found.
SourceSociety for Neuroscience·JournalJNeurosci·DateMar 17, 2025
Researchers found that hibernating lemurs' telomeres got longer, contrary to the usual decrease with age, suggesting a potential way to reverse cellular aging. This study, conducted at Duke University and the University of California, San Francisco, provides insights into the mechanisms behind lemur's remarkable survival strategy.
SourceDuke University·JournalBiology Letters·TypeExperimental study·DateMar 11, 2025
Researchers at Wisconsin National Primate Research Center and Morgridge Institute for Research have developed a universal, small-diameter vascular graft using stem cell-derived arterial endothelial cells. The graft overcomes limitations of current clinical options, which include invasive procedures and limited donor availability.
SourceMorgridge Institute for Research·JournalCell Reports Medicine·TypeExperimental study·DateMar 10, 2025
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Female Guinea baboons court males with special foraging skills more intensively due to the short-term benefits they provide. This suggests that females prioritize immediate rewards over long-term evaluations of male competence.
SourceDeutsches Primatenzentrum (DPZ)/German Primate Center·JournalProceedings of the Royal Society B Biological Sciences·TypeExperimental study·DateMar 5, 2025
A recent study comparing the sexual behavior of bonobos and chimpanzees during stressful periods has provided insights into humans' own behavioral origins. Both species utilized sex to manage social tension, with bonobos engaging in 'make-up sex' after conflicts and chimpanzees using sex in various ways to ease tensions.
SourceDurham University·JournalRoyal Society Open Science·TypeObservational study·DateMar 4, 2025
Researchers studied wild female Japanese macaques to understand their internal states. The study found that the absence of close proximity with group members during resting periods increases stress levels, while co-feeding with a related female during foraging leads to increased stress due to competition.
SourceThe Graduate University for Advanced Studies, SOKENDAI·JournalAnimal Behaviour·TypeObservational study·DateFeb 25, 2025
Researchers at La Jolla Institute for Immunology have discovered a human antibody called mAb 3A6 that may prove useful against deadly outbreaks. The antibody was isolated from an Ebola survivor and found to block infection by binding to the viral stalk, offering protection at a very low dose.
SourceLa Jolla Institute for Immunology·JournalNature Communications·TypeExperimental study·DateFeb 20, 2025
In a groundbreaking study, macaque monkeys demonstrated the ability to form connections between visual images and auditory signals, as well as verbal cues. This remarkable capacity for cross-modal learning was observed even when the spoken words were presented by new individuals.
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A study on six Japanese macaques reveals that bodily responses like self-scratching predict pessimistic judgment bias, but not vice versa. This suggests an evolutionary conserved system where monkeys address immediate needs through bodily responses before engaging in cognitive information processing.
SourceKyoto University·JournalProceedings of the Royal Society B Biological Sciences·TypeObservational study·DateFeb 6, 2025
Kinda baboons exhibit a unique social structure where males actively cultivate long-term bonds with females, persisting across reproductive states. This behavior challenges traditional classifications of baboon social structures and may offer insights into primate evolution.
SourceUniversity of Massachusetts Amherst·JournalAmerican Journal of Biological Anthropology·DateFeb 4, 2025
A study on captive chimpanzees found that when one individual pees, others are more likely to follow, with lower-ranking individuals being more likely to pee in response. This suggests that urination patterns are influenced by social hierarchy, with a tendency for the behavior to 'flow down' the dominance structure.
SourceCell Press·JournalCurrent Biology·TypeObservational study·DateJan 20, 2025
A new self-destructing vaccine provides improved safety and protection against TB in macaque monkeys, outperforming the standard BCG vaccine. The 'kill switch' mechanism eliminates the risk of accidental infection, offering a safer vaccination option for immunocompromised individuals.
SourceUniversity of Pittsburgh·JournalNature Microbiology·DateJan 10, 2025
Researchers found genetic variants that confer a benefit to chimpanzees in specific habitats, particularly those related to malaria. The study suggests that climate and land use changes will impact different chimpanzee groups differently.
SourceUniversity College London·JournalScience·DateJan 9, 2025
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