2,429 results
2,429 results for: mutations
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A fish’s solution to broken hearts
The zebrafish can regenerate missing heart muscle.
- Health & Medicine
Ketones to the Rescue
Medical researchers are investigating a slew of possible applications for acids called ketones, which the body produces naturally when deprived of carbohydrates and protein.
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Probing Ocean Depths: Photosynthetic bacteria bare their DNA
Scientists have deciphered the DNA of two highly abundant, photosynthetic ocean bacteria.
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Genghis Khan’s Legacy?
Genghis Kahn's military success 800 years ago may have spread a particular form of the Y chromosome, one he may have himself carried.
- Health & Medicine
Surgical Option: Removal of ovaries can prevent cancers in women at risk
In women who harbor mutations in one of the BRCA genes, ovary removal reduces the risk of developing ovarian, peritoneal, and breast cancers.
- Health & Medicine
Risk Factor: Genetic defect hikes breast cancer threat
A mutation already linked to several types of cancer doubles the risk of breast cancer in a woman and multiplies men's slight risk of the disease even more dramatically.
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Popularity of germ fighter raises concern
The growing use of the antiseptic triclosan in products ranging from mouthwash to cutting boards and hunting clothes may create bacteria resistant to antibiotic drugs.
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Ebola protein explains deadly mystery
The infamous virus called Ebola has a surface protein that kills cells in blood vessels.
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Sexual orientation linked to handedness
A metanalysis reveals right-handedness is more common among heterosexuals than homosexuals, suggesting a neurobiological basis for sexual orientation.
- Health & Medicine
Genetic Culprit: Mutation increases risk for uterine fibroids
Analysis of DNA from families whose women have been beset by uterine growths reveals a mutation that can predispose women to these so-called fibroids.
- Health & Medicine
Broken Weapon: Mutation disarms HIV-fighting gene
A gene that once produced a small protein able to prevent HIV from infecting cells now lies unusable in the human genome.
- Math
Bookish Math
Statistical tests and computation can help solve literary mysteries surrounding the authorship of well-known works.
