DNA

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Vietnam Hopes to Start Identifying Its 500,000 War Dead

'Decades later, it may be possible to put names to them'

(Newser) - Unlike the US, Vietnam has identified "just a few hundred" of its soldiers and citizens who died in the Vietnam War, Nature reports. Four decades later, bodies—or what's left of them—are still turning up, and the Vietnamese people are "desperate" for the remains of the...

Creatures Grow Heads, Brains of Other Species
Creatures Grow Heads,
Brains of Other Species
new study
Nov 29, 2015 3:53 PM CST

Creatures Grow Heads, Brains of Other Species

Flatworms regenerate in shocking ways

(Newser) - Worms can grow the head and brain of another species? Then maybe we can do better at regenerating our own organs and tissues. That's the thrust of a new study by researchers who got flatworms to grow the heads of other flatworm species without any alteration to the worms'...

Pet Owners Fuming Over Doggie DNA Request

Florida condo association aims to curb pet poop

(Newser) - Some Florida condo owners are steaming after their homeowners association asked them to submit their dog's DNA in order to fine owners who don't pick up after their pets. Residents of Harbor Landing in Destin, Fla., said they received a letter last week and some feel it's...

Sacrificed Boy May Reveal Clues About Inca Empire

The child was sacrificed 500 years ago, and scientists were able to obtain his DNA

(Newser) - He came to a grim ending, but the mummified remains of a 7-year-old boy sacrificed in an Inca ritual called capacocha are allowing scientists to "learn more about the rise and extent of the Inca Empire," as the Los Angeles Times puts it. The child's frozen corpse...

This Artist's DNA Could Be Yours for the Right Price

'An extremely personal self portrait'

(Newser) - A 29-year-old Dutch artist is selling what he calls "an extremely personal self portrait." How extremely personal? Let's just say it's everything that makes him him—genetically speaking. Jeroen van Loon has made his entire DNA sequence available to the highest bidder as part of a...

DNA Evidence Is More Fallible Than People Think

Juries aren't being told the full story, expert warns

(Newser) - DNA testing has improved to the point where it is starting to incriminate the wrong people in some cases, experts warn. The problem is super-sensitive equipment and DNA transfer, which can lead to a person's DNA being found on a body or murder weapon even if they had only...

Like Hot Dogs Made of Humans? You May Be in Luck

Human DNA found in franks, per molecular report

(Newser) - " Soylent Green is made out of people! " may be back to haunt a true-blue American staple: hot dogs. Using a proprietary "next-generation genomic sequencing workflow" known as Clear Food , Clear Labs analyzed 345 hot dogs and sausages at the molecular level from 75 brands at 10 retailers,...

Dad Learns That Unborn Twin 'Fathered' His Son

Parents were concerned when son had a different blood type

(Newser) - Sorry sir, you're not the father of your newborn child—your unborn brother is. So a 34-year-old man was told in the only known case of a paternity test being tricked by a so-called "human chimera," the Independent reports. It began when a US couple learned that...

Secret to Longevity? Deleting Certain Genes
Secret to Longevity?
Deleting Certain Genes
NEW STUDY
Oct 14, 2015 7:49 AM CDT

Secret to Longevity? Deleting Certain Genes

Scientists discover 238 genes linked to aging

(Newser) - Ten years into research they call "exhaustive," scientists at the University of Washington and the Buck Institute for Research on Aging are reporting in the journal Cell Metabolism that they've isolated 238 genes linked to aging in yeast cells. After working with undergrads to painstakingly delete a...

Ancestry.com Wants to Reveal Your Disease Risks

So far, the FDA isn't having it

(Newser) - The company that tells you whether you can perhaps blame last weekend's sunburn on your Irish roots now wants to tell you your risk of cervical cancer. Ancestry.com, which claims to have amassed genetic information on more than 1 million customers through its $99 DNA kits, is in...

Test Can Detect Every Virus to Afflict Humans, Animals

Even uncommon viruses and ones present in low levels: scientists

(Newser) - A new test developed by scientists at Washington University School of Medicine in St. Louis may prove an invaluable aid to doctors who can't figure out what's wrong with their patients. The test, described in a study in the Genome Research journal, is able to detect, all at...

How a Lost US Airman Might Come Home, 71 Years Later

Tom McCaslin's plane crashed in France in 1944

(Newser) - Tom McCaslin's family still hopes he'll come home, 71 years after his B-26 bomber crashed in a field in France. "I think everybody in the family would feel better," says his brother, Joseph McCaslin, one of four surviving siblings who've longed for his return. Now...

We Still Have No Idea Who 30 Katrina Victims Are

Money allocated by FEMA to help identify bodies has dried up

(Newser) - Cleaning up after a massive hurricane is a difficult affair, but a decade after Hurricane Katrina ravaged New Orleans and claimed what Live Science reports is an estimated 1,833 lives, 30 bodies have yet to be identified. WWL-TV arrived at that number after making a public records request to...

Tongue-Rolling Myth Totally 'Debunked'

Biologist John McDonald aims to set the record straight

(Newser) - For anyone who can still proudly recall one factoid learned in high school biology—that the ability to roll one's tongue is genetic—bad news: You learned it wrong. John McDonald, an evolutionary biologist, is out to debunk what he calls a myth about the genetic roots of tongue-rolling,...

Causes of Cerebral Palsy Not What We Thought

Canadian study looks at the DNA of stricken children

(Newser) - Parents of children with cerebral palsy, take note: Your child's illness may be in the genes. A surprising new study in Nature is linking cerebral palsy to genetic variants and challenging the notion that environmental factors are solely responsible, the Globe & Mail reports. "Nobody really wanted us...

Study: 'Golden Wolf' Has Been Hiding in Plain Sight

We just thought it was the African golden jackal

(Newser) - Africa, home to the Ethiopian wolf and the gray wolf, can now lay claim to the African golden wolf—the first new species of canid (which also encompasses jackals, foxes, and coyotes) to be discovered in 150 years, reports National Geographic . The new species has long been misunderstood to be...

&#39;Kennewick Man&#39; Mystery Over: He&#39;s Native American
'Kennewick Man' Mystery Over: He's Native American
study says
Jun 18, 2015 3:38 PM CDT

'Kennewick Man' Mystery Over: He's Native American

Finding might lead to his burial

(Newser) - Kennewick Man is not only "one of the most important human skeletons ever found in North America," in the words of the Guardian , it's also one of the most controversial. Now a new DNA study might—but only might—bring finality to the debate over the "...

In 'Crap' Dinosaur Fossils, Scientists Strike Gold

If 75M-year-old soft tissue has survived, could DNA, too?

(Newser) - The fossils may be in such poor shape that scientists are calling them "crap," but the 75-million-year-old fragments are golden in another sense. A theropod claw, triceratops-like toe bone, and duck-billed dinosaur limb and ankle bones first unearthed in Canada 100 years ago appear to retain soft tissue,...

Florida Fish Have Babies by 'Virgin Birth'

Smalltooth sawfish stun scientists with offspring

(Newser) - Looks like female sawfish don't need the guys so much anymore. Scientists have discovered seven examples in Florida of virgin-birth offspring by smalltooth sawfish, an endangered species whose members grow up to 25 feet in length and have long snouts studded with teeth, LiveScience reports. Their offspring may provide...

Mom Reunited With Teen Daughter Missing for 8 Years

Another teen was released kicking and screaming to Dorotea Garcia last month

(Newser) - A Mexican prosecutor says DNA tests on Alondra Diaz match the US mother who has been searching for her for eight years. Jose Martin Godoy Castro said late yesterday that tests show Alondra is the daughter of Houston woman Dorotea Garcia, who has searched for the girl since Alondra's...

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