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Photo of John Calhoun crouches within his rodent utopia-turned-dystopia
Universe 25 Experiment
A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse, but Universe 25's relevance to humans remains disputed.
Universe 25 Experiment
Universe 25 Experiment

A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse, but Universe 25's relevance to humans remains disputed.

A series of rodent experiments showed that even with abundant food and water, personal space is essential to prevent societal collapse, but Universe 25's relevance to humans remains disputed.

rodent

A Nile rat sitting atop fruits
Genome Spotlight: Nile Rat (Avicanthis niloticus)
Christie Wilcox, PhD | Nov 23, 2022 | 4 min read
A reference sequence for this emerging model organism will facilitate research on type 2 diabetes and the health effects of circadian rhythm disruption.
southeaster pocket gopher's head emerging from tunnel
Are Pocket Gophers Underground Farmers?
Andy Carstens | Jul 11, 2022 | 4 min read
A study finds that roots grow deeper than typical into southeastern pocket gophers tunnel networks, raising the possibility that the rodents cultivate their food.
Photograph of scientists working while wearing PPE
Contract Vivarium Facilities for Preclinical Discovery
The Scientist and Mispro | 3 min read
Researchers rent contract vivarium space for greater experimental control, productivity, and reproducibility when developing new therapeutics.
Vole in a meadow
Voles Trim Tall Grass to Prevent Attacks
Natalia Mesa, PhD | Mar 14, 2022 | 2 min read
Mongolian rodents join the ranks of earthworms and beavers as known ecosystem engineers.
Yellow-brown hamster on top of cage with green background
Pet Hamsters Spread SARS-CoV-2 in Hong Kong: Preprint
Natalia Mesa, PhD | Feb 4, 2022 | 2 min read
Scientists linked hamsters in a Hong Kong pet shop to 50 cases of the Delta variant in what appears to be the second documented occurrence of animals infecting people with SARS-CoV-2.
38630-tsu-redefiningmousetransgenesis-webinarbanners-800x560
Technique Talk: Redefining Mouse Transgenesis with CRISPR-Cas Technology
The Scientist | 1 min read
Learn how CRISPR-Cas technology has revolutionized the creation of transgenic mouse models.
Fossils of African Fauna
African, Arabian Mammals Didn’t Escape Grande Coupure Extinction
Chloe Tenn | Nov 8, 2021 | 2 min read
More than two-thirds of mammals in Africa and the Arabian Peninsula went extinct during the Eocene-Oligocene transition some 30 million years ago, a study finds.
Pain Researcher Quits Academia, Takes Lab Home with Him
Jef Akst | May 1, 2021 | 6 min read
After resigning from the University of New England last year, Geoffrey Bove continues to study the effects of massage on rats in a facility he set up in his house.
Clues to the Origin and Function of the Brain’s Alpha Waves
Amanda Heidt | Oct 1, 2020 | 2 min read
Patterns of neural activity known as alpha waves, long thought to originate in the thalamus, may actually stem from a different brain region entirely.
What Do New Neurons in the Brains of Adults Actually Do?
Ashley Yeager | May 1, 2020 | 10+ min read
Adult neurogenesis, already appreciated for its role in learning and memory, also participates in mental health and possibly even attention, new research suggests.
Infographic: How Adult-Born Neurons Integrate into the Brain
Ashley Yeager | May 1, 2020 | 2 min read
Cutting-edge microscopy is revealing how new neurons made in adult mice’s brains tap into existing neuronal connections.
How Manipulating Rodent Memories Can Elucidate Neurological Function
Amber Dance | May 1, 2020 | 10+ min read
Strategies to make lab animals forget, remember, or experience false recollections probe how memory works, and may inspire treatments for neurological diseases.
Image of the Day: Big Body, Little Brain
Amy Schleunes | Feb 20, 2020 | 1 min read
An extinct rodent relative of the capybara appears to have had a smaller brain-to-body ratio than similar species.
Forced-Swim Test Criticized as Uninformative, Cruel
Catherine Offord | Jul 22, 2019 | 2 min read
Some researchers and animal rights groups are amplifying their opposition to an assay that measures how long a rodent tries to stay afloat.
AI mice in labs
Opinion: AI Beats Animal Testing at Finding Toxic Chemicals
Thomas Hartung | May 1, 2019 | 3 min read
Machine learning could be the key to reducing the use of animals in experiments.
Cannabinoid Exposure During Adolescence Disrupts Neural Regulation
Jef Akst | Nov 6, 2018 | 2 min read
Young rats injected with a synthetic cannabinoid have more of the brain’s motivating dopaminergic signaling and fewer numbers of inhibitory neurons than controls.
Maternal Obesity and Diabetes Linked to Autism in Children
Sukanya Charuchandra | Oct 1, 2018 | 5 min read
Inflammation may be a strong contender for the connection between mom’s weight and children’s neurodevelopment, according to lab studies on animals.
Former Students Allege Mistreatment of Lab Animals at Calgary 
Catherine Offord | Aug 9, 2018 | 2 min read
The university is carrying out a review of animal handling in the now-closed lab of neuropsychologist Vedran Lovic.
CDC Identifies Seoul Virus Outbreak Among Pet Rat Owners
Diana Kwon | Feb 5, 2018 | 1 min read
These are the first known cases of individuals catching the virus from their pets in Canada or the U.S.
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