Featured series 
Tag: Mice
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Science & Tech
Rapid evolution, illustrated
A study in which mice were released into outdoor enclosures to track how light- and dark-colored specimens survived confirms that mice survive better in similarly colored habitats, providing insights into evolution.
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Health
Research sheds light on how parents operate
In a new study, Harvard researchers describe how separate pools of neurons control individual aspects of parenting behavior in mice.
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Health
Mom, dad set in their ways? Maybe it’s not their fault
Research led by Hopi Hoekstra breaks new ground by uncovering links between the activity of specific genes and parenting differences across species
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Health
When cooperation counts
A new study conducted by Harvard scientists shows that in deer mice, a species known to be highly promiscuous, sperm clump together to swim in a more linear fashion, increasing their chances of fertilization.
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Health
Help for halting autism symptoms
A new study shows that boosting inhibitory neurotransmission early in brain development can help reverse deficits in inhibitory circuit maturation that are associated with autism.
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Health
Making old hearts younger
Two Harvard Stem Cell Institute researchers have identified a protein in the blood of mice and humans that may prove to be the first effective treatment for the form of age-related heart failure that affects millions of Americans, a study says.
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Health
One gene, many mutations
In a new paper, Harvard researchers show that changes in coat color in mice are the result not of a single mutation, but of many mutations, all in a single gene. The results start to answer one of the fundamental questions about evolution: Does it proceed by huge leaps — single mutations that result in…
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Health
Digging yields clues
As described in a Jan. 16 paper in Nature, a team of researchers led by Hopi Hoekstra, professor of organismic and evolutionary biology and molecular and cellular biology, studied two species of mice – oldfield mice and deer mice – and identified four regions in their genome that appear to influence the way they dig…
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Health
Animal scents
A Harvard study of how mice respond to scent cues from potential mates, competitors, and nearby predators has laid a foundation for further investigations that may eventually lead to a greater understanding of social recognition in the animal brain, with implications for a host of human disorders ranging from autism to post-traumatic stress disorder.
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Health
Partial reversal of aging achieved in mice
Harvard scientists at Dana-Farber Cancer Institute say they have for the first time partially reversed age-related degeneration in mice, resulting in new growth of the brain and testes, improved fertility, and the return of a lost cognitive function.
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Health
Sperm competition, cooperation
Some mouse sperm can discriminate between their brethren and the competing sperm from other males, showing an unusual behavioral complexity.
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Health
Cancer vaccine success
A cancer vaccine carried into the body on a carefully engineered, fingernail-sized implant is the first to successfully eliminate tumors in mammals, scientists report this week (Nov. 25) in the journal Science Translational Medicine.
