organ transplant

Rebel doctor challenges ban on HIV-positive organ donors

Sara Reardon |
An estimated 12,000 people in the U.S. contracted HIV from transfusions between 1978 and 1984, leaving the public terrified. In ...

Is evolution actually halted in ‘living fossils’?

Brian Switek |
One late spring weekend a few years back, my wife and I drove out to Delaware to see an amazingly ...

Progenitor cells, not stem cells, responsible for daily blood supply

Catharine Paddock |
Currently, text books say the life-long supply of the billions of blood cells in our veins is driven by a ...
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Tall Genes: Thousands found responsible for height differences

Meredith Knight |
There are more 600 of spots on the genome responsible for about a fifth of the variation in human height ...
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Oldest known cave art holds clues to history of human creativity

Bethany Hubbard |
Humans are intrinsically artists. Cave paintings and hand-carved figurines found in France, Spain and Italy suggest that Homo sapiens were crafting 35-40 ...
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Proposed Ebola vaccine trials will use volunteer health care workers as subjects

Jon Cohen, Kai Kupferschmidt |
When Ripley Ballou came to a Geneva, Switzerland, meeting about Ebola vaccines last week, he had a tough message to ...

Promising new gene therapy for “bubble boy” disease

Gene Emery |
More than a decade ago, doctors showed dramatic progress in helping infants born with a severe deficiency in their immune ...

Scientists track progression of disease to predict risk

Federica Palomba |
A new study, based on 6.2 million Danish patients, could soon allow scientists to predict what illnesses each individual is ...

Performance in school is heritable, but inequality of education still an issue

Eva Krapohl, Kaili Rimfeld |
The idea that children can inherit the ability to get good results at school can spark heated debate. But, put ...

Epigenetic markers may indicate type 2 diabetes risk

By studying identical twins, researchers from Lund University in Sweden have identified mechanisms that could be behind the development of ...

Cost barriers limit promising GM blood cancer treatments

Hester Plumridge |
Cancer treatments that genetically modify patients’ blood cells to target the disease have shown amazing results in clinical trials. Now ...

What we know (and don’t) about the causes of autism

Joseph Stromberg |
What causes autism? As researchers have worked to unravel t[autism's] nature, they've come to grips with some unsatisfying facts. One is ...
Our GPS brain: What is the ‘doorway effect’ and how do we orient ourselves

Our GPS brain: What is the ‘doorway effect’ and how do we orient ourselves

Ben Locwin |
How does memory and what amounts to a GPS system in our brain root us in the world? That's the ...
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Science fiction meets Julia Child: An elegant cookbook for lab-grown meats

Benjamin Aldes Wurgaft |
Although they've not yet hit the market, a Dutch art collective has created the definitive volume on how to cook ...

Promising new findings on BRCA2 gene give hope for improving breast cancer treatment

Honor Whiteman |
For the first time, researchers from the UK have created pictures of the BRCA2 protein. Mutations in the gene that ...
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Controversial fetal cell transplants revived for Parkinson’s trials

Meredith Knight |
Fetal brain cell transplants fell out of favor as a potential therapy for Parkinson’s disease after mixed reviews from trials ...
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National Resource Defense Council reverses course, acknowledges ‘factory farms’ do not overuse antibiotics

Hank Campbell |
Advocacy groups often claim antibiotic use on 'factory farms' is soaring, hurting animals and even humans who are developing resistance ...

Should there be greater regulation on using stem cells in cosmetics and sports?

Joseph Brean |
Long ago, in last century’s nuclear age, mythical mutations were created by radiation, in a sinister play on humanity’s newly ...

Neuroscientists awarded Nobel Prize for discovering brain’s internal GPS

James Gallagher |
The Nobel Prize for physiology or medicine has been awarded to three scientists who discovered the brain's "GPS system". UK-based ...

Africans dangerously underrepresented in gene research

Jessica Leber |
Almost a decade after the first human genome was published, famed anti-apartheid leader Archbishop Desmond Tutu and three African bushmen became the first sub-saharan ...
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Social stigma of anorexia distracts from exploring genetic causes

Jeremy Laurance |
Social pressure to be as slender as a catwalk model, as sylph-like as a Hollywood star, is said to be ...

Uses of CRISPR/Cas9 genome engineering expand to editing RNA

The CRISPR/Cas9 system, a powerful tool for genome engineering and gene regulation, has been thought to be incapable of targeting RNA ...

Why there probably is no ‘perfect’ human gut microbiome

John Hawks |
Jeff Leach, at the "Human Food Project", has written pungently about a bout of microbiome self-experimentation: "(Re)Becoming Human: what happened the ...
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DIY fecal transplant: Taking love of the microbiome a bit too far

Meredith Knight |
Anthropologist Jeff Leach ended his last trip to Africa with a bit of self-experimentation. He gave himself a fecal transplant ...

DNA sequencing saves newborns’ lives, but what happens to personal genetic information?

Sara Reardon |
By two months of age, the boy was near death. He had spent his entire short life in the neonatal ...

How should parents deal with preimplantation genetic information?

Razib Khan |
In the following post at Patheos the author reflects on the fact that her teenage daughter inherited her genetic condition, a predisposition ...

Big Data revolutionizing how we research science and medicine

Amy Standen |
"The scientific method itself is growing obsolete,” says Atul Butte, an entrepreneur and associate professor of pediatrics at the Stanford School of ...