2,432 results
2,432 results for: mutations
- Life
Pigeons’ prominent plumage traces to one gene
A mutation responsible for ruffs, crests and collars appears to have arisen once and then passed among species through breeding.
- Humans
H5N1 influenza research moratorium ends
Scientists lift self-imposed moratorium on research that would make avian flu transmissible among humans.
- Plants
Dastardly daisies
This flower isn’t just any old sex cheat. It can be sexually deceptive three ways and in 3-D.
- Health & Medicine
Updated Pap smear detects ovarian, uterine cancers
Adding a genetic analysis to the procedure reveals mutations specific to the two malignancies.
- Life
Genes in wheat relatives help stave off stem rust
Wild and obscure species provide resistance to deadly fungus.
- Neuroscience
Narcolepsy may be an autoimmune disease
Narcolepsy occurs when wayward immune forces launch an attack on brain cells responsible for wakefulness, a new study suggests.
- Genetics
Genetic mutations may explain a brain cancer’s tenacity
DNA damage may transform adult cells in glioblastoma, making the malignancy harder to kill.
- Health & Medicine
Aspirin has selective benefit in colorectal cancer
Patients with a common gene mutation survive longer, which might enable doctors to predict who would get results from the drug.
- Humans
DNA reveals details of the peopling of the Americas
Migrants came in three distinct waves that interbred once in the New World.
- Life
Tests show that deadly flu could spread among people
Experiment shows that new influenza virus transmits through air between ferrets, a common experimental stand-in for humans.
- Science & Society
Flu researchers plan to repeat controversial work
The scientists who made the H5N1 strain transmissible between ferrets intend to do the same with H7N9.
- Animals
The daemon cat that never was
Buried in a volume published in 1904 is a description of a new species of cat found in Transcaucasia: Felis daemon, the Black Wild Cat.
