DNA

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Gene Doesn't Alter Cancer Survival Rates

Breast cancer triggered by BRCA1 and BRCA2 no more lethal than other forms

(Newser) - Women who carry one of the two known breast-cancer-causing genes—BRCA1 and BRCA2—are more likely to  be diagnosed with the disease before 50, but they're not more likely to die from it than other breast-cancer patients, a new study concludes. Tracking the 10-year survival rates of women in 22...

Scientists on the Brink of Artificial Life

Synthetic genomes close to creating new bacteria

(Newser) - The first artificial life could be created within months as researchers emboldened by "species transplant" experiments prepare to insert synthetic genomes into a host bacterium, the Daily Telegraph reports. Maryland scientists have been replacing one bacterium's DNA with another, transforming the host  into the invader, and now plan to...

House Cat Hisstory Traced to 5 Mideast Matriarchs

Felines chose domestic life 10,000 years ago

(Newser) - The origin of 600 million house cats has been traced to five matriarchal lines in the Mideast, where the first wildcats moved close to families some 10,000 years ago and earned their keep eating vermin,  the New York Times reports. House cats share striking DNA similarities with wildcats...

It's a Wrap: Tooth ID's Mummy Queen
It's a Wrap: Tooth ID's Mummy Queen
Jun 27, 2007 4:39 AM CDT

It's a Wrap: Tooth ID's Mummy Queen

Powerful Hatshepsut linked to dental root and DNA tests

(Newser) - An ancient tooth and DNA evidence appear to prove that an obese mummy found in 1903 is one of Egypt's most powerful female rulers, Hatshepsut, the New York Times reports. The tooth, located in a box labeled with the queen's name, "fits exactly" with a broken root in the...

Early Immunity to Chimp Virus Leaves Humans Open to HIV

An advantage 4M years ago is a weakness now

(Newser) - Humans are more susceptible to HIV than other primates because our ancestors evolved a protein that could fight off a different retrovirus that infected chimps, says Scientific American. The most conspicuous difference between the chimpanzee genome sequenced in 2005 and the human one, says a Seattle virologist, was 130 copies...

Amazon Tribe Broods Over Poached Blood

Brazil Indians livid after discovering DNA samples sold in the US

(Newser) - An Amazon tribe is bilious after scientists took blood samples in exchange for medicine they never got, the Times reports. Doctors collected DNA from the Karitiana Indians in the late '70s and again in 1996, and then sold it to researchers for $85 a pop. But now the once remote...

Duke DA Faces Ethics Charges
Duke DA Faces Ethics Charges
Jun 12, 2007 9:04 PM CDT

Duke DA Faces Ethics Charges

Nifong withheld evidence that could have exonerated three lacrosse players

(Newser) - North Carolina DA Mike Nifong, who spearheaded the rape and kidnapping case against three Duke lacrosse players, now faces his own set of charges for withholding evidence, making inappropriate public comments about the case, and lying to a judge and state bar investigators. His trial in front of a disciplinary...

Shark Births Fatherless Baby
Shark Births Fatherless Baby
May 23, 2007 2:50 PM CDT

Shark Births Fatherless Baby

Female hammerheads can fertilize their own eggs, say scientists

(Newser) - Irish and American scientists, using new techniques, confirmed that a female hammerhead shark at the Henry Doorly Zoo in Nebraska gave birth to a pup in 2001— without having sex. A male tiger shark was suspected to be the father at first, but the team's genetic analysis shows no sign...

Birkhead's the Baby Daddy
Birkhead's the Baby Daddy
Apr 11, 2007 6:18 AM CDT

Birkhead's the Baby Daddy

DNA evidence wins photographer Birkhead paternity of Daniellyn

(Newser) -  Daniellyn finally has a baby daddy. DNA evidence proved that the daughter of the late Anna Nicole Smith can call paparazzo Larry Birkhead Dad. "I told you so," a jubilant Birkhead told reporters after the announcement at a court hearing in the Bahamas. He  hugged his rival,...

DNA Tests Surprise Immigrants
DNA Tests Surprise Immigrants
Apr 10, 2007 8:55 AM CDT

DNA Tests Surprise Immigrants

Thousands of tests of family members fail to turn up matches

(Newser) - Thousands of new citizens asked to take DNA tests in order to verify the immigration status of relatives back home are discovering unwelcome surprises about their families, the New York Times reports. The State Department recommends the tests to confirm family ties in countries where record-keeping is poor. But an...

Twins Found to Be &quot;Semi-identical&quot;
Twins Found to Be "Semi-identical"
Mar 30, 2007 6:21 AM CDT

Twins Found to Be "Semi-identical"

Children neither fraternal nor identical

(Newser) - A new kind of twin has been discovered, neither strictly identical nor fraternal. Now toddlers, the babies look identical but one is anatomically male while the other has ambiguous genitalia. Genetic tests show the children are identical on their mother's side but share only half their father's DNA.

Stories 381 - 391 | << Prev