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Stressed Rodents Make Different Choices
Katarina Zimmer | Mar 1, 2018
Chronic stress tweaks a circuit in the brain that influences how lab rodents make tough decisions.
Paradise Regained: How the Palmyra Atoll Got Rid of Invasive Mosquitoes
Ruth Williams | Feb 28, 2018
The elimination of the biting pests was an added bonus after researchers unleashed a rat-eradication endeavor on the tiny islands.
CDC Identifies Seoul Virus Outbreak Among Pet Rat Owners
Diana Kwon | Feb 6, 2018
These are the first known cases of individuals catching the virus from their pets in Canada or the U.S.
CRISPR Helps Mice Hear
Abby Olena | Dec 20, 2017
Researchers reduce the severity of hereditary deafness in mice with the delivery of CRISPR-Cas9 protein-RNA complexes that inactivate a mutant gene in their inner ears.
Study Pinpoints Potential “Master Regulator” of Age-Related Cognitive Decline
Shawna Williams | Dec 18, 2017
Upping a gene’s expression in rat brains made them better learners and normalized the activity of hundreds of other genes to resemble the brains of younger animals.
Gut Microbiota–Obesity Link Clarified
Catherine Offord | Jun 10, 2016
Changes in diet can cause gut microbes to produce acetate, which in turn stimulates insulin secretion and obesity in rodents, scientists show.
Neural Basis of Risk Aversion
Catherine Offord | Mar 24, 2016
Researchers identify and manipulate a signal in the brains of rats that controls risky behavior.
Jef Akst | Apr 2, 2015
“Blind” rats fitted with a neuroprosthetic device that stimulates the brain when the animals turn their heads to the north or south can navigate mazes as well as sighted rats.
“Inner GPS” Support
Anna Azvolinsky | Feb 5, 2015
Grid cells—the neurons that function as a spatial navigation system—require input from another set of neurons, a rat study shows.
Rat Massages Get the Golden Goose
Molly Sharlach | Sep 4, 2014
Award recognizes research that has improved outcomes for premature babies.