One chimpanzee has its hand on the ear of another, as it peers onto the back of its neck. A third chimpanzee is in the background.
| 4 min read
A 12-year study shows variation among primate groups in how the animals clasp hands during grooming, but consistency within them, even as group membership shifts over time.

social

Image of the Day: Cuddle Buddies

John Cacioppo, a Founder of Social Neuroscience, Dies

Social Dominance Comes At a Cost

Are the Brains of Transgender People Different from Those of Cisgender People?

Infographic: Searching for the Neural Basis of Gender

Virtual Reality for Freely Moving Animals

Video: Researchers Control Drosphila Flight with Virtual Reality

Video: Swimming with Virtual Swarms

Book Excerpt from Testosterone Rex

Genes Linked to Dogs’ Sociability with People

Puppy Love

Pleasure To Smell You

Bouncing Back

The Genetics of Society

Pilot Study Treats Infants for Autism

Behavior Brief

Week in Review: June 3–7

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Glass Shape Speeds Drinking

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A Peer Review Revolution?

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Behavior Brief

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A red male cardinal and a brownish female sit on a branch in front of a green background.

Sex Determination: It’s in the Genes—Sometimes

A group of large animals, some of which are being studied for cancer resistance genes and proteins, are pictured, including a bison, an elephant, a giraffe, a manatee, a zebra, and a whale.

Peto’s Paradox: How Gigantic Species Evolved to Beat Cancer

Photo of John Calhoun crouches within his rodent utopia-turned-dystopia

Universe 25 Experiment

A cross-section of a mouse brain with staining for NOVA1 and cell nuclei.

Strange Squeaks: A Uniquely Human Gene Alters Mouse “Songs”

Multimedia

Discover the history, mechanics, and potential of PCR.

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Understanding Disease Through Biomarkers

Understanding Disease Through Biomarkers

A greyscale image of cells dividing.
March 2025, Issue 1

How Do Embryos Know How Fast to Develop

In mammals, intracellular clocks begin to tick within days of fertilization.

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Discover the history, mechanics, and potential of PCR.

Become a PCR Pro

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3D rendered cross section of influenza viruses, showing surface proteins on the outside and single stranded RNA inside the virus

Genetic Insights Break Infectious Pathogen Barriers

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A photo of sample storage boxes in an ultra-low temperature freezer.

Navigating Cold Storage Solutions

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The Immunology of the Brain

The Immunology of the Brain

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Zymo Research Launches the Quick-16S™ Full-Length Library Prep Kit

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BIOVECTRA is Honored with 2025 CDMO Leadership Award for Biologics

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Gilead’s Capsid Revolution Meets Our Capsid Solutions: Sino Biological – Engineering the Tools to Outsmart HIV

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Meet the Upright ULT Built for Faster Recovery - Stirling VAULT100™

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