Image of the Day: Big Body, Little Brain
Image of the Day: Big Body, Little Brain
An extinct rodent relative of the capybara appears to have had a smaller brain-to-body ratio than similar species.
Image of the Day: Big Body, Little Brain
Image of the Day: Big Body, Little Brain

An extinct rodent relative of the capybara appears to have had a smaller brain-to-body ratio than similar species.

An extinct rodent relative of the capybara appears to have had a smaller brain-to-body ratio than similar species.

rodent
Forced-Swim Test Criticized as Uninformative, Cruel
Forced-Swim Test Criticized as Uninformative, Cruel
Catherine Offord | Jul 22, 2019
Some researchers and animal rights groups are amplifying their opposition to an assay that measures how long a rodent tries to stay afloat.
Opinion: AI Beats Animal Testing at Finding Toxic Chemicals
Opinion: AI Beats Animal Testing at Finding Toxic Chemicals
Thomas Hartung | Apr 30, 2019
Machine learning could be the key to reducing the use of animals in experiments.
Cannabinoid Exposure During Adolescence Disrupts Neural Regulation
Cannabinoid Exposure During Adolescence Disrupts Neural Regulation
Jef Akst | Nov 6, 2018
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
Maternal Obesity and Diabetes Linked to Autism in Children
Sukanya Charuchandra | Oct 1, 2018
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<strong>&nbsp;</strong>
Former Students Allege Mistreatment of Lab Animals at Calgary 
Catherine Offord | Aug 9, 2018
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
CDC Identifies Seoul Virus Outbreak Among Pet Rat Owners
Diana Kwon | Feb 5, 2018
These are the first known cases of individuals catching the virus from their pets in Canada or the U.S.
California’s Owls Being Exposed to Rat Poison
California’s Owls Being Exposed to Rat Poison
Catherine Offord | Jan 14, 2018
Researchers suspect the source of the toxins may be some of the state’s 50,000 or so marijuana farms.
Hibernating Rodents Feel Less Cold
Hibernating Rodents Feel Less Cold
Abby Olena | Dec 19, 2017
Syrian hamsters and thirteen-lined ground squirrels are tolerant of chilly temperatures, thanks to amino acid changes in a cold-responsive ion channel. 
Rats that Run Have Better Memory
Rats that Run Have Better Memory
Jef Akst | Aug 14, 2017
Male rodents given access to a running wheel early in life show increased neural activity and improved memory as adults.