2,456 results
2,456 results for: mutations
- Genetics
The upside of a demolished chromosome
A woman’s rare genetic disease was cured when a chromosome carrying the mutant gene shattered.
- Health & Medicine
Aspirin, other painkillers may not reduce colorectal cancer risk for everybody
Aspirin and NSAIDs appear widely protective against colorectal cancer, but not for everyone.
- Neuroscience
Electrical zap of cells shapes growing brains
The electric charge across cell membranes directs many aspects of brain development, and changing it can fix certain brain birth defects.
- Life
Superfast evolution observed in soil bacteria
Natural selection resurrects flagella in soil bacteria in just four days.
- Environment
Five years on, Deepwater Horizon oil spill’s impact lingers
Five years after the Gulf of Mexico’s largest disaster, researchers are still studying its ecological impact and struggling to learn the fate of most of the spilled oil.
- Health & Medicine
Hepatitis E vaccine shows strong coverage
A large trial in China indicates that a vaccine can provide 87 percent protection against the hepatitis E virus, which infects 20 million people a year.
- Genetics
Catalog of DNA modifications produces surprises
A map of chemical modifications of DNA and its associated proteins shows how the genome changes during development and disease.
- Genetics
Ebola virus evolution tracked by genetic data
Analysis of Ebola genomes shows how the virus has evolved and some of the mutations that may thwart treatments.
- Life
Insulin-suppressing hormone discovered
A newly discovered hormone suppresses insulin production and secretion in fruit flies and maybe in humans.
- Animals
Flamboyant old bustards keep showing off
Among outrageously flirtatious birds called houbara bustards, old males may pay a penalty for years of extreme display.
- Science & Society
Big data studies come with replication challenges
As science moves into big data research — analyzing billions of bits of DNA or other data from thousands of research subjects — concern grows that much of what is discovered is fool’s gold.
- Life
Human evolution tied to a small fraction of the genome
Natural selection has concentrated on a small portion of the human genome, and mostly not on genes themselves.
