2,444 results
2,444 results for: mutations
- Life
Four marmosets are first transgenic primates
Scientists in Japan have successfully introduced a foreign gene into a primate species for the first time, opening a new avenue for modeling human diseases, particularly brain disorders.
- Life
Old gene, short new trick
A single genetic modification is linked to the stature of short-legged dog breeds, new research shows.
- Archaeology
Engraved pigments point to ancient symbolic tradition
Analyses of patterns incised on pieces of ancient pigment indicate that people in southern Africa passed along symbolic practices from 100,000 to 75,000 years ago, scientists say.
- Life
Replaying evolution
By watching bacteria evolve in the lab for 20 years, researchers show that evolution may be rather capricious.
- Life
Protein crucial in preventing Parkinson’s
By destroying bad mitochondria, Parkin protects cells
- Life
For worms, one gene can change survival behavior
Natural differences in a single gene cause worms to either eat or avoid harmful bacteria.
- Health & Medicine
How herpes re-rears its ugly head
Researchers identify a key player in the reactivation of herpes simplex virus type 1.
- Psychology
A genetic pathway to language disorders
Researchers suspect a newly uncovered regulatory link between two genes contributes to language impairments in a range of developmental disorders.
- Health & Medicine
2009 Science News of the Year: Body & Brain
Numbers of passengers arriving from Mexico in March and April 2008 show which cities would have been most vulnerable to H1N1 transmission. Credit : The New England Journal of Medicine ©2009 H1N1 strikes and spreads Like the years 1957 and 1968, 2009 will be known as a pandemic flu year. The springtime eruption of a […]
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Evolution’s Bad Girl
Ardi shakes up the fossil record.
- Ecosystems
Flowering plants welcome other life
When angiosperms diversified 100 million years ago, they opened new niches for ants, plants and frogs.
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Aging Factor: Gene mutations may be key to long life
Some centenarians carry mutations in a pathway associated with longevity in worms and fruit flies.
