A germinal center inside a lymph node
Slow Vaccine Delivery May Maximize Immune Response
A vaccine strategy involving formulation changes, an initial escalating dose, and a longer wait for booster immunization results in more-effective antibody production against HIV in rhesus monkeys, a study finds.
Slow Vaccine Delivery May Maximize Immune Response
Slow Vaccine Delivery May Maximize Immune Response

A vaccine strategy involving formulation changes, an initial escalating dose, and a longer wait for booster immunization results in more-effective antibody production against HIV in rhesus monkeys, a study finds.

A vaccine strategy involving formulation changes, an initial escalating dose, and a longer wait for booster immunization results in more-effective antibody production against HIV in rhesus monkeys, a study finds.

rhesus macaque
Brightly colored intersecting lines, creating a chaotic pattern that resembles a subway map.
Monkeys Look for Patterns that Aren’t There—Just Like Humans Do
Dan Robitzski | Aug 31, 2022
Macaques continued to search for answers to an unsolvable laboratory task, seemingly refusing to believe that the correct answers were random and inconsistent.
Artist’s rendering of a light purple Ebola virus looping around itself that’s surrounded by red blood cells
Ebola Lurking in Brain Fluid Kills Monkeys Weeks After Recovery
Dan Robitzski | Feb 9, 2022
New research reveals where the virus was hiding and hints at how to truly purge it from the body.
Screams Communicate Human Emotions
Phil Jaekl | Jul 1, 2021
A group of self-styled screamologists are sifting through the noisiness of nonverbal human vocalizations and finding previously undemonstrated forms of communication.
What a Video Game Can Reveal About Monkeys’ Minds
Shawna Williams | Apr 1, 2021
Researchers find that the animals can account for others’ behavior and circumstances in their strategies.
US Primate Centers Work to Protect Animals from COVID-19
Ashley Yeager | Mar 19, 2020
Rhesus macaques can be infected with SARS-CoV-2, leading primate center scientists to try to prevent outbreaks in their colonies, especially as experiments on coronavirus start.
polymer tube nerve regeneration
Image of the Day: Biodegradable Nerve Guide
Amy Schleunes | Jan 27, 2020
A polymer tube regenerates damaged nerves in monkeys, restoring near full functionality.
When Humans Hear Music, Monkeys May Hear Noise
Katarina Zimmer | Oct 1, 2019
The auditory cortices of humans and rhesus monkeys respond very differently to harmonic tones.
Infant Monkeys Died in Accidental Poisoning at UC Davis Lab
Catherine Offord | Jun 18, 2019
The seven primates came into contact with a dye that was used on their mothers, documents reveal.
rhesus macaque monkey gene editing genetic modification
Monkeys Genetically Edited to Mimic Human Brain Development
Chia-Yi Hou | Apr 10, 2019
Rhesus monkeys engineered to express a human gene reportedly show delayed brain development and better short-term memory. Fellow scientists are raising ethical red flags.
Monkeys Pass on Brain Activity Patterns Linked to Anxiety
Ashley Yeager | Jul 30, 2018
Humans might also inherit such brain changes, a new study suggests.
Postnatal Zika Infection Causes Brain Damage in Infant Macaques
Jim Daley | Apr 4, 2018
The findings highlight the need for long-term monitoring of children exposed to the virus, say scientists. 
Monkeys Cloned by Dolly-the-Sheep Technology
Catherine Offord | Jan 24, 2018
The approach, which has never before been successfully attempted in primates, could lead to improved animal models for human biology and disease.
Low Social Status May Weaken Immune System in Monkeys
Ben Andrew Henry | Nov 28, 2016
Life at the bottom of the pecking order ramps up inflammation, according to new research, an effect that appears to be reversible.
Behavior Brief
Jenny Rood | Feb 6, 2015
A round-up of recent discoveries in behavior research
SIV Vaccine Success
Kate Yandell | Sep 13, 2013
A cytomegalovirus-based vaccine eliminated simian immunodeficiency virus from rhesus macaques, raising hopes of a similarly effective HIV vaccine.
Decoding Monkey Thoughts
Cristina Luiggi | Jul 23, 2012
Researchers can see the differences in the neuronal activity of monkeys that use different strategies to reach out to a target.
Social Rank Affects Monkey Immunity
Megan Scudellari | Apr 11, 2012
In rhesus macaques, an individual's drop in the social hierarchy leads to overactive immune genes and, possibly, poor health.
Brain Evolution at a Distance
Hannah Waters | Dec 6, 2011
Gene expression controlled from afar may have spurred the spurt in brain evolution that led to modern humans.