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illustration of neurons in blue and microglia in orange
Ancient Viral DNA Helps Mouse Brains Fight Infection
Mammals that give birth to live young may have evolved to make use of the remnants of viruses in their genomes to ward off pathogens, a study suggests. 
Ancient Viral DNA Helps Mouse Brains Fight Infection
Ancient Viral DNA Helps Mouse Brains Fight Infection

Mammals that give birth to live young may have evolved to make use of the remnants of viruses in their genomes to ward off pathogens, a study suggests. 

Mammals that give birth to live young may have evolved to make use of the remnants of viruses in their genomes to ward off pathogens, a study suggests. 

mice, evolution

GFP highlighting mouse neurons
Science Snapshot: How Brains Handle Surprise Parties
Lisa Winter | Jun 3, 2022 | 1 min read
When unexpected events occur, norepinephrine signals mouse brains to pay attention to key details.
An illustration showing a scale weighing two double-stranded pieces of DNA that has a big question mark in the center.
Mouse Foraging Behavior Shaped by Opposite-Sex Parent’s Genes
Dan Robitzski | Apr 12, 2022 | 7 min read
A study in mice finds that for certain genes, one parent’s allele can dominate expression and shape behavior—and which parent’s allele does so varies throughout the body.
a spiny mouse sits on a piece of wood holding a small morsel to its mouth
Spiny Mice Appear to Regenerate Damaged Kidneys
Dan Robitzski | Nov 3, 2021 | 5 min read
The mice, already known to regenerate skin, seem to avoid the tissue scarring that leads to organ failure in other animals.
A Simple Genetic Change Adds Limb-Like Bones to Zebrafish Fins
Abby Olena, PhD | Feb 5, 2021 | 4 min read
A gain-of-function mutation in a single gene reveals ancient limb-forming capacity that has been preserved for hundreds of millions of years.
Ribosomal DNA Can Predict an Animal’s Age
Abby Olena, PhD | Feb 14, 2019 | 3 min read
A clock constructed of rDNA methylation sites can estimate both chronological and biological age across species.
First Successful Gene Drive in Mammals
Abby Olena, PhD | Jan 23, 2019 | 4 min read
Researchers use a CRISPR-Cas9 strategy to expand a desired trait from 50 percent of mouse pups to about 72 percent.
From Squeaks to Song
Hannah Waters | May 1, 2012 | 3 min read
House mice sing melodies out of the range of human hearing, and the crooning is impacting research from evolutionary biology to neuroscience.
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