t larg alzheimers

Why finding a blood test for Alzheimer’s could be the key to new treatments

Shawna Williams | 
Alzheimer’s patients who were at earlier stages of the disease did better than those with more advanced cognitive decline [in ...
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Was it ‘bad luck’—not ancient humans—that drove Neanderthals to extinction?

Catherine Offord | 
Neanderthals may have gone extinct due to chance, and not, as some researchers previously thought, due to competition for resources ...
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New dengue fever defense? Mosquitoes infected with common bacteria can’t transmit dangerous virus

Emily Makowski | 
Mosquitoes infected with Wolbachia bacteria and released into the wild are associated with a sharp decrease in dengue fever infections in humans, ...
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More children sickened by polio vaccine than by wild virus

Jef Akst | 
Nigeria, Democratic Republic of Congo, Central African Republic, and Angola have experienced nine new cases of polio caused by the ...
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Universal ecology: Laws of physics and mathematics apply across the universe. Are there biological laws?

John Damuth, Lev Ginzburg, Mark Colyvan | 
On Earth, bacteria grow exponentially, lynx eat hares, and red panda populations decline due to habitat loss and fragmentation. How ...
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Does the keto diet offer protection against the flu?

Abby Olena | 
Mice fed a ketogenic diet—in which 90 percent of calories come from fat and less than 1 percent from carbohydrates—were ...
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Infographic: Creating artificial human chromosomes

Ruth Williams | 
To convert a piece of cloned DNA into a centromere-containing human artificial chromosome (HAC), an array of repeated LacO sequences ...
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Cancer cells alter mutation rates to survive targeted therapies. Researchers want to know how they do it.

Abby Olena | 
In response to antibiotic treatment, bacteria improve their odds of survival by increasing the rate of mutations in their genomes, ...
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Seeking a better understanding of how space travel changes human heart cells

Emily Makowski | 
A team of researchers led by Joseph Wu, the director of the Stanford Cardiovascular Institute, recently sent cardiomyocytes made from human ...
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China’s new Alzheimer drug greeted with ‘surprise and skepticism’ by researchers

Emily Makowski | 
China’s approval of the drug oligomannate earlier this month for treating mild to moderate Alzheimer’s disease has been met with surprise and ...
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Children from extramarital affairs not as common as we think, study shows

Ashley Yeager | 
That old joke about the milkman fathering many of a town’s children—it’s far from true, a new study reaffirms. Researchers ...
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What makes a murderer? MRI scans reveal reduced gray matter patterns in convicts

Nicoletta Lanese | 
Kent Kiehl and his research team regularly park their long, white trailer just outside the doors of maximum-security prisons across the ...
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Neural stem cell transplants show promise for treating stroke, Parkinson’s, spinal injuries

Ashley Taylor | 
Pelizaeus-Merzbacher disease is a genetic malady that leaves neurons without their myelin coating. This deficit has devastating consequences for the ...
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Chicxulub asteroid impact sparked mammal growth surge, fossil ‘trove’ shows

Emily Makowski | 
After an asteroid crashed into what is now Chicxulub, Mexico 66 million years ago, a chain of events occurred that ...
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Viewpoint: New antibiotics won’t save us from drug-resistant bacterial infections

Arturo Casadevall, Neil Greenspan | 
Of course, there is an ongoing search for new safe and effective antibiotics, but agents are very difficult to find ...
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Brain organoids may have ‘critical’ research limitation: Imperfect modeling of human development

Arnold Kriegstein, Diana Kwon | 
Despite their potential, [brain] organoids still have some critical limitations. In a study presented [October 22] at the Society for Neuroscience meeting ...
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ISIS leader al-Baghdadi’s remains may have been identified with new rapid DNA testing technology

Emma Yasinski | 
On Sunday (October 27), President Donald Trump announced that US Special Operations forces had cornered Abu Bakr al-Baghdadi, the current ...
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Deafness edited out of human eggs by Russian researcher. No plans for gene-edited babies—yet

Emily Makowski | 
Russian biologist Denis Rebrikov has started editing the GJB2 gene, associated with deafness, in human eggs donated by women who ...
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‘Time to stop debating’: Researchers blame enterovirus for mysterious polio-like paralysis in kids

Catherine Offord | 
A team of researchers has published evidence that an enterovirus is to blame for a mysterious neurologic illness that has ...
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‘Brain drain’ increases genetic inequality between wealthy, poor regions in UK study

Abdel Abdellaoui, Judy Luigjes | 
An unintended side effect of merit-based social mobility is that it stimulates selective migration; people with a higher education are ...
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Commercialization without consent: Sanger Institute accused of violating agreements with African scientists

Kerry Grens | 
The Wellcome Sanger Institute in the UK had planned to commercialize a genetics array based on African DNA samples, whistleblowers ...
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‘Gross and dangerous”: Genetic test for same-sex attraction condemned by scientists

Diana Kwon | 
In August, a group of researchers published the results of a massive genome-wide association study on homosexual behavior. The take-home message ...
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What does a healthy human gut virome look like? Study shows that we have no idea

Abby Olena | 
There’s a lot that scientists don’t know about the gut microbiota, and when it comes to the viruses present there ...
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‘Defibrillator for the brain’: Implant could prevent epileptic seizures in autistic children

Jessica Wright | 
Kevin, who has autism and has had seizures since he was 8 years old, lies uncharacteristically still in the center ...
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‘If you get better, you stay better’: Deep brain stimulation could offer long-lasting depression treatment

Catherine Offord | 
Deep brain stimulation can durably improve depression symptoms in people who don’t respond well to other treatments, according to a ...
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Rethinking what causes Parkinson’s: Studies suggest we may be looking in the wrong place

Ashley Yeager | 
During her time as a postdoc at the University of Basel in Switzerland, Sarah Shahmoradian decided to study the abnormal aggregates of ...
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Beware claims by consumer DNA testing companies: They can’t predict how long you’ll live

Diana Kwon | 
“Upload DNA data and know more about yourself,” promises Genomelink, anywhere from fitness-related attributes, such as longevity, pulmonary function, and job-related ...
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