Monkeys News

February 24, 2025

Top Headlines

Scratching Through the Negative Emotions

Feb. 7, 2025 — 'We feel sorry because we cry,' wrote philosopher and psychologist William James, 'angry because we strike, afraid because we tremble,' suggesting that emotional bodily responses like crying cause cognitive changes, such as feelings of sorrow. ...

Being a Ladies' Man Comes at a Price for Alpha Male Baboons

Jan. 23, 2025 — There's a downside to being a powerful alpha male -- at least if you're a baboon. Studies show that despite their high rank, the No. 1 males in baboon society are also some of the most stressed out, as measured by their high levels of glucocorticoid ...

Antibody Treatment Prevents Severe Bird Flu in Monkeys

Jan. 30, 2025 — The antibody targets a stable part of the bird flu virus, ensuring that the immune protection can resist new variants and offer long-term protection against the globally spreading airborne ...

First Mouse With Two Male Parents to Reach Adulthood

Jan. 28, 2025 — A team of stem cell scientists have successfully used embryonic stem cell engineering to create a bi-paternal mouse -- a mouse with two male parents -- that lived until adulthood. Their results describe how targeting a particular set of genes ...

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Near-Complete Skull Discovery Reveals 'Top Apex', Leopard-Sized 'Fearsome' Carnivore

Feb. 17, 2025 — A rare discovery of a nearly complete skull in the Egyptian desert has led scientists to the 'dream' revelation of a new 30-million-year-old species ...

Stronger Stress Response in Monkeys Helps Them Survive

Jan. 23, 2025 — Researchers used the environmental circumstances and fecal samples collected from the six years prior to the severe El Ni o drought in Costa Rica to study the relationship between the endocrinologic ...

Wild Baboons Not Capable of Visual Self-Awareness When Viewing Their Own Reflection

Jan. 21, 2025 — Wild baboons failed to demonstrate visual self-recognition in a test carried out by ...

Cavity-Nesting Birds Decorate With Snake Skin to Deter Predators

Jan. 16, 2025 — When a bird drapes its nest with snake skin, it isn't just making an interesting decor choice. Researchers find that for some birds, it keeps predators at ...

Detecting Hidden Genetic Relationships in Animal Populations

Jan. 15, 2025 — Understanding biological relationships is often critical when studying animal populations. Researchers have now developed a transformative approach that identifies stretches of DNA that two ...

Self-Destructing Vaccine Offers Enhanced Protection Against Tuberculosis in Monkeys

Jan. 10, 2025 — The in-built in protection mechanisms offer a safer and more effective way to combat the deadliest disease of ...

How Do Monkeys Recognize Snakes So Fast?

Dec. 26, 2024 — A researcher has found that the rapid detection of snakes by monkeys is because of the presence of snake scales as a visual cue. His findings highlight an evolutionary adaptation of primates to ...

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 ...

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 ...

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 ...

The Secret to Our Big Brains Might Be in Our Gut

Dec. 4, 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 ...

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 receptor (NTCP) between humans and monkeys, explaining ...

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. ...

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 state of pressure ...

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 ...