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tag evolution history culture animal behavior

On the Other Hand
Bob Grant | Sep 1, 2014 | 10+ min read
Handedness, a conspicuous but enigmatic human trait, may be shared by other animals. What does it mean for evolution and brain function?
WITH VIDEO
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.
Chimp Groups Have Their Own Distinct “Handshakes”
Robin Donovan | Jun 18, 2021 | 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.
2011 World Science Festival: A look back
The Scientist | Jun 10, 2011 | 5 min read
The Scientist covered some of the events that made this year's festival memorable.
3D multicolored conceptual image representing hallucinogens and the human brain.
Natural High: Endogenous Psychedelics in the Gut and Brain
Iris Kulbatski, PhD | Sep 8, 2023 | 8 min read
Psychedelics are evolutionarily ancient compounds produced by fungi, plants, and microbes. Humans also synthesize psychedelics. Researchers want to know how and why.
Behavior Brief
Jef Akst | Jan 4, 2012 | 5 min read
A roundup of recent discoveries in behavior research
Behavior Brief
Molly Sharlach | Dec 18, 2014 | 4 min read
A round-up of recent discoveries in behavior research
A pair of zebra finches in a cage
Animal Divorce: When and Why Pairs Break Up
Catherine Offord | Jun 1, 2022 | 10+ min read
Many species of birds and other vertebrates form pair bonds and mate with just one other individual for much of their lives. But the unions don’t always work out. Scientists want to know the underlying factors.
Book Excerpt from Looking for a Few Good Males
Erika Lorraine Milam | Dec 31, 2010 | 10+ min read
In Chapter 2, "Progressive Desire," author Erika Lorraine Milam explores sexual selection’s incursion into evolutionary theory.
Illuminating Behaviors
Douglas Steinberg | Jun 1, 2003 | 6 min read
Courtesy of Genevieve Anderson If not for Nobel laureates Thomas Hunt Morgan, Eric R. Kandel, and Sydney Brenner, the notion of a general behavioral model might seem odd. Behaviors, after all, are determined by an animal's evolutionary history and ecological niche. They are often idiosyncratic, shared in detail only by closely related species. But, thanks to Morgan's research in the early 20th century, and Kandel's and Brenner's work over the past 35 years, the fly Drosophila melanogaster, t
An illustration of green bacteria floating above neutral-colored intestinal villi
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021 | 10+ min read
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.

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