Monkeys News

December 22, 2024

Top Headlines

Building a Backbone: Scientists Recreate the Body's 'GPS System' in the Lab

Dec. 18, 2024 — Scientists have generated human stem cell models which contain notochord -- a tissue in the developing embryo that acts like a navigation system, directing cells where to build the spine and nervous system (the ...

Threat of Abrupt Mortality Events Keeps Endangered Monkey Population at Risk, Despite Decades of Growth

Dec. 16, 2024 — Despite the population being almost four times larger than it was in 1982, a new study published in the journal Ecology suggests the northern muriqui monkeys remain at risk, especially in the face of ...

Do Animals Get Jealous Like People? Researchers Say It's Complicated

Dec. 12, 2024 — Using data from 23 studies of what psychologists call 'inequity aversion,' researchers combed through results of more than 60,000 observations involving 18 animal species. In what they said was the 'largest empirical investigation of non-human ...

The Secret to Our Big Brains Might Be in Our Gut

Dec. 3, 2024 — Brain tissue is among the most energetically costly in the body, and as a result, larger-brained mammals require more energy to support brain growth and maintenance. Exactly which biological changes allowed human ancestors to meet the very high ...

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updated 11:16pm EST

The Viral Puzzle of Why Humans Are Susceptible to Hepatitis B Virus, but Monkeys Are Not

Dec. 3, 2024 — Hepatitis B virus (HBV) has a narrow host range, mainly infecting hominoids. A new study reveals the structural differences in the liver cell ...

Warming Temperatures Impact Immune Performance of Wild Monkeys

Nov. 29, 2024 — When wild capuchin monkeys experience experience higher temperatures, the performance of their generalized immune system declines. This study illustrates how climate change many impact ...

These Wild Chimpanzees Play as Adults to Better Cooperate as a Group

Nov. 21, 2024 — Compared to children, adults don't play as much, but social play into adulthood is considered a universal human trait. Play has a role in building tolerance, cohesion, bonding, and cooperation. By ...

Scientific Thought on Emotions in Animals

Nov. 14, 2024 — How do animal behavior researchers feel about the feelings of animals? A new survey helps to answer that ...

Human Stem Cell-Derived Heart Cells Are Safe in Monkeys, Could Treat Congenital Heart Disease

Nov. 13, 2024 — A research team reported recently that heart muscle cells grown from induced pluripotent stem cells can integrate into the hearts of monkeys with a ...

More Than One Third of Vietnam's Mammal Species Are at Risk of Extinction, Study Finds

Nov. 12, 2024 — A recent study highlights that over one-third of Vietnam's 329 mammal species are threatened with ...

New Findings on Animal Viruses With Potential to Infect Humans

Oct. 31, 2024 — Scientists investigating animal viruses with potential to infect humans have identified a critical protein that could enable spillover of a family of organisms called arteriviruses. In a new study, ...

Oct. 30, 2024 — In common marmosets, the brain regions that process social interactions develop very slowly, extending until early adulthood, like in humans. During this time, all group members are involved in ...

It's Not to Be. Universe Too Short for Shakespeare Typing Monkeys

Oct. 30, 2024 — It would take far longer than the lifespan of our universe for a typing monkey to randomly produce Shakespeare, a new study ...

Keeping Fewer Friends Protects Aging Monkeys from Diseases

Oct. 28, 2024 — Becoming less sociable protects older monkeys from getting ill, new research ...

Fossils Unveil How Southern Europe's Ecosystem Changed Through Glacial-Interglacial Stages

Oct. 23, 2024 — Fossils from more than 600,000 years ago reveal how Southern Europe's animal community shifted between warm and cold climate fluctuations, according to a new ...

Birth: It's a Tight Squeeze for Chimpanzees, Too

Oct. 23, 2024 — According to a new study, chimpanzees, like humans, must contend with a confined bony birth canal when giving birth. In humans, the problem was exacerbated by our unique form of upright walking since ...

Dance, Gibbon, Dance!

Oct. 11, 2024 — Female crested gibbons display jerky, almost geometric patterns of movement. Researchers have studied these conspicuous movements, which are comparable to human dances. They describe the structure of ...

How a Bunch of Seemingly Disorganized Cells Go on to Form a Robust Embryo

Oct. 10, 2024 — Embryo development starts when a single egg cell is fertilized and starts dividing continuously. Initially a chaotic cluster, it gradually evolves into a highly organized structure. Scientists have ...

Macaques Give Birth More Easily Than Women: No Maternal Mortality at Birth

Oct. 7, 2024 — An international research team has used long-term demographic data from Japanese macaques -- a monkey species within the family of Old World monkeys -- to show that, unlike humans, there is no ...

Study of Monkey Fossils Found in Cave Sheds Light on the Animals' Extinction Centuries Ago

Oct. 2, 2024 — By studying rare fossils of jaws and other skull parts of a long-extinct Caribbean monkey, a team of researchers says it has uncovered new evidence documenting the anatomy and ecology of an extinct ...

Bottlenose Dolphins 'Smile' at Each Other While Playing

Oct. 2, 2024 — Dolphins are extremely playful, but little is known about how they -- and other marine mammals -- communicate during playtime. New research shows that bottlenose dolphins (Tursiops truncates) use the ...

Forest Loss Forces Langur Species to Interbreed

Sep. 27, 2024 — Research shows a threatening development for two endangered primate species in Bangladesh: Phayre's langurs (Trachypithecus phayrei) and capped langurs (Trachypithecus pileatus). In mixed groups ...

Scientists Design New Drug to Fight Malaria

Sep. 26, 2024 — A team has designed a new drug against malaria and identified its mechanism of ...

Who Lives in the Treetops? DNA-Collecting Drone Provides Insights

Sep. 26, 2024 — Squinting into the treetops won't reveal the tiny organisms up there. But these creatures leave clues, in the form of DNA, on the leaves and branches. Now, researchers report that they have ...

Revealing the Neuronal Pathways Involved in Adaptive Decision-Making in Primates

Sep. 20, 2024 — Neuronal pathways originating from the orbitofrontal cortex (OFC) of the brain participate in different adaptive behaviors, but which pathways are used for distinct adaptive strategies remains ...

Targeted Immune Intervention and Stopping ART in Model of SIV Infection Leads to Control of Viral Replication and Reservoirs

Sep. 12, 2024 — Researchers have shown unprecedented control of SIV replication and decay of viral reservoirs by combining a stringent model of infection with the interruption of antiretroviral therapy (ART). The ...

Multiple Ways to Evolve Tiny Knee Bone Could Have Helped Humans Walk Upright

Sep. 11, 2024 — The evolution of bones in primates' knees could have implications for how humans evolved to walk ...

Investigational Mpox mRNA Vaccine Reduces Disease Severity in Primates Compared to Available Vaccines

Sep. 4, 2024 — The most frequently used mpox vaccine provides partial immunity to the disease but isn't always able to prevent severe symptoms or disease transmission. A new vaccine candidate from Moderna, ...

Colorful Traits in Primates Ease Tensions Between Groups

Aug. 22, 2024 — Primate ornamentation plays a crucial role in communication not only within social groups but also between them, according to a new study. The research reveals that the males of species with ...

Machine Learning Approach Helps Researchers Design Better Gene-Delivery Vehicles for Gene Therapy

Aug. 9, 2024 — Gene therapy could potentially cure genetic diseases but it remains a challenge to package and deliver new genes to specific cells safely and effectively. Existing methods of engineering one of the ...

Mix of Factors Prompts Owl Monkeys to Leave Their Parents

Aug. 7, 2024 — There comes a point in the lives of young owl monkeys when they leave their parents and strike out on their own to find a mate. In a new study of a wild population of Azara's owl monkeys in ...

Lemurs Use Long-Term Memory, Smell, and Social Cues to Find Food

Aug. 7, 2024 — How do foraging animals find their food? A new study shows that lemurs use smell, social cues, and long-term memory to locate hidden fruit -- a combination of factors that may have deep evolutionary ...

Unexpected Link Between Grooming and Physiological Stress in Wild Baboons

Aug. 7, 2024 — New research has found a surprising link between grooming and physiological stress in wild baboons. While grooming often calms, this study suggests it can sometimes elevate stress levels. This gives ...

Social Rank May Determine If Animals Live Fast, Die Young

Aug. 7, 2024 — Social rank may determine whether animals prioritize immediate fitness over long-term health, according to a study. Researchers studied macaques on a Thai island and found that the animals' ...