2,462 results
2,462 results for: mutations
- Health & Medicine
Breast density signals tamoxifen’s effectiveness
Decreasing breast density signals the drug tamoxifen is working in women at risk of developing breast cancer.
- Life
Not so different after all
Plague bacteria may be deadlier than its harmless cousin because of a few small genetic changes.
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Pearls Unstrung
For a while, the Great Lakes weren’t connected by rivers and Niagara Falls was just a trickle.
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New clue to Down syndrome, leukemia link
One-fifth of people with Down syndrome who also have acute lymphocytic leukemia harbor a mutation in their JAK2 gene.
- Health & Medicine
Hot clock key to fruit fly’s global spread
A temperature-sensitive switch in a fruit fly’s biological clock means some species can survive in a wide range of climates while others are stuck on the equator.
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- Life
Mitochondria Gone Bad
Problems in the cell’s energy factories power new ideas on disease and aging.
- Health & Medicine
Neandertals, gut microbes and mail-order ancestry tests
Geneticists weigh in during the annual meeting of the American Society of Human Genetics.
- Health & Medicine
HIV variant might help vaccine search
Scientists have discovered an unusual HIV protein in a Kenyan woman that makes the virus vulnerable to antibodies.
- Life
Funny smell may have split bee species
Among male bees that create their own perfume, a change in the sense of smell might mean a split in species.
- Math
Rating the rankings
The U.S. News & World Report rankings of colleges and universities are largely arbitrary, according to a new mathematical analysis.
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Limiting Damage: Fragile X symptoms modulated in mice
Reducing activity of a gene in mice alleviates many of the symptoms of fragile X syndrome, a genetic defect that causes mental retardation in people.
