2,462 results
2,462 results for: mutations
- Health & Medicine
Early intellectual gap found for kids of older fathers
A reanalysis of data from more than 33,000 U.S. children finds that those with older fathers fared somewhat poorer on intelligence tests than those with younger fathers, regardless of mothers’ ages.
- Chemistry
Flowerless plants make fancy amber
A new analysis suggests that ancient seed plants made a version of the fossilized resin credited to more modern relatives
- Health & Medicine
New embryonic stem cells ratted out
Overcoming obstacles, scientists have created stable embryonic stem cells from rats. Researchers hope their method will prove useful as a general recipe for isolating stem cells from other mammals.
- Health & Medicine
Genome 10K: A new ark
Featured blog: Researchers are working to catalog the DNA sequences of just about every vertebrate genus.
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- Chemistry
FBI reveals more details of anthrax investigation
A panel of scientists involved in the anthrax investigations released new details.
- 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.
