2,444 results
2,444 results for: mutations
- 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
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.
- 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.
- Humans
Science & Society: News of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in the interface of Science & Society. Follow hotlinks to the full, original stories.
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More evidence that flies sleep like people
A brain chemical puts fruit flies to sleep.
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Flawed Stem Cells Yield Fragile X Clues: Researchers study genetic disorder via discarded embryos
The most common inherited cause of mental retardation arises when a mutated gene is shut down early in embryonic development.
- Life
The Iceman’s mysterious genetic past
Scientists say that they have identified the complete mitochondrial DNA sequence of the 5,000-year-old Tyrolean Iceman, whose body was found protruding from a glacier in 1991.
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- Health & Medicine
Closing in on Rett syndrome
Scientists find that a particular part of the mouse brain is responsible for behavioral abnormalities associated with Rett syndrome, an autism spectrum disease that strikes females.
