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Science
An artist's impression of a woolly mammoth in a snow-covered environment.

Scientists Say They Could Bring Back Woolly Mammoths. But Maybe They Shouldn't

Sep 14, 2021
A company formed by Harvard genetics professor George Church, known for his pioneering work in genome sequencing and gene splicing, hopes to genetically resurrect woolly mammoths.
NPR
Shots - Health News
Using fluorescent antibody-based stains and advanced microscopy, researchers are able to visualize cells of different species origins in an early stage chimeric embryo. The red color indicates the cells of human origin.

Scientists Create Early Embryos That Are Part Human, Part Monkey

Apr 15, 2021
An international team has put human cells into monkey embryos in hopes of finding new ways to produce organs for transplantation. But some ethicists still worry about how such research could go wrong.
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Are Vaccinations Keeping COVID-19 Infection Numbers Down In Nevada?

Apr 08, 2021

As COVID-19 cases surge across the northern and eastern part of the country, Nevada’s numbers look good in comparison. 

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NPR
Shots - Health News
Florida's Pasco County Health Department and the Army National Guard partnered with Fellowship Church in Tampa, Fla., to help city residents age 65 and older get immunized with the Moderna COVID-19 vaccine in February.

OPINION: 5 Ways To Make The Vaccine Rollout More Equitable

Mar 25, 2021
Getting the COVID-19 vaccine into most Americans' arms will involve much more than a good supply and logistics. Values such as equity, deep listening, and informed choice are crucial, too.
NPR
Shots - Health News
Two health care workers prepare syringes with AstraZeneca's COVID-19 vaccine in London Monday. A U.K. study will expose volunteers to the coronavirus and could help development of future vaccines.

Why Scientists Are Infecting Healthy Volunteers With The Coronavirus

Mar 08, 2021
Exposing people to a potentially fatal disease could hasten understanding of COVID-19 and development of new vaccines and treatments. But the risks of such studies raise serious ethical questions.
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NPR
Shots - Health News
Leyda Valentine, a research coordinator, takes blood from Lisa Taylor as she participates in a COVID-19 vaccination study at Research Centers of America in Hollywood, Fla., in August 2020.

Long-Term Studies Of COVID-19 Vaccines Hurt By Placebo Recipients Getting Immunized

Feb 19, 2021
Researchers are trying to learn more about COVID-19 vaccines from original study participants. The quest is hampered because many people who first received a placebo shot are opting for the vaccine.
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NPR
Shots - Health News
Workers and patients at a pop-up COVID-19 vaccination site near downtown Seattle in January. "The vast majority who are coming in do appear to be meeting the eligibility criteria," says Dr. Jeff Duchin, King County's public health officer.

Does Loose Enforcement Of Vaccine Eligibility Rules Encourage Line-Jumping?

Feb 09, 2021
Guidance from the CDC on who should be prioritized to get the COVID-19 vaccine was meant to be flexible and inclusive. But "the attempt to have equity created more inequity," says one researcher.
NPR
Shots - Health News

Is It Ever OK To Jump Ahead In The Vaccine Line?

Feb 06, 2021
With vaccine still scarce, and eligibility differing from place to place, some people have easier access to "extra" doses than others. Careful, ethicists warn. Going out of turn is a slippery slope.
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NPR
Shots - Health News
A light micrograph of a primitive human embryo, composed of four cells, following the initial mitotic divisions that ultimately transform a single-cell organism into one composed of millions of cells.

Embryo Research To Reduce Need For In Vitro Fertilization Raises Ethical Concerns

Jan 15, 2020
Aiming to find a cheaper, easier way than IVF to ensure human embryos are healthy before implantation, researchers paid women to be inseminated, then flushed the embryos from their wombs for analysis.
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NPR
Shots - Health News
Researchers are hoping to learn how to effectively convey information about people's risk for developing Alzheimer's disease, a dementia still without a cure.

A Genetic Test That Reveals Alzheimer's Risk Can Be Cathartic Or Distressing

Jul 12, 2019
Genetic tests can now tell us a lot about our risk for developing Alzheimer's disease. But that doesn't mean people are prepared to receive the information.
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NPR
Shots - Health News
Travis Rieder, author of <em>In Pain: A Bioethicist's Personal Struggle With Opioids, </em>says none of the doctors who prescribed opioids for his waves of "fiery" or "electrical" pain taught him how to safely taper his use of the drugs when he wanted to

Motorcycle Crash Shows Bioethicist The Dark Side Of Quitting Opioids Alone

Jul 08, 2019
When medical bioethicist Travis Rieder tried to taper off pain medication after a roadway accident, he was disappointed by his doctors' reaction: "Everybody had a reason to send me to somebody else."
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NPR
Shots - Health News
Using embryonic stem cells, researchers created a structure that mimics the earliest stages of human development in the womb. This image shows the structure breaking the symmetry of the sphere, which starts the development of more complex structures that

Scientists Make Model Embryos From Stem Cells To Study Key Steps In Human Development

Jul 01, 2019
Researchers hope these "embryoids" could provide crucial new insights into how to treat infertility and prevent miscarriages, birth defects and many diseases. But they stir ethical concerns.
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NPR
Shots - Health News
As scientists learn more about the complex way genes combine and work together to create human traits, the idea of "designer babies" becomes less and less likely.

Why Making A 'Designer Baby' Would Be Easier Said Than Done

May 02, 2019
Ethical concerns aside, the genetic ingredients for human traits are so complex that editing a few embryonic genes is unlikely to have much effect — or achieve the fantasy of enhancing humans.
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NPR
Shots - Health News
Will computers alienate us from the healing touch?

As Artificial Intelligence Moves Into Medicine, The Human Touch Could Be A Casualty

Apr 30, 2019
Will AI in health care create a two-tiered system in which poorer people will be seen by a computer instead of a doctor? That's one concern about the burgeoning technology.
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NPR
Shots - Health News
Google is looking to artificial intelligence as a way to make a mark in health care.

Google Searches For Ways To Put Artificial Intelligence To Use In Health Care

Apr 22, 2019
The search giant's push into artificial intelligence as a tool for health improvement is a natural evolution for a company that has developed algorithms that reach deep into our lives through the Web.
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NPR
Shots - Health News
CRISPR gene-editing technology allows scientists to make highly precise modifications to DNA. The technology is now starting to be used in human trials to treat several diseases in the U.S.

First U.S. Patients Treated With CRISPR As Human Gene-Editing Trials Get Underway

Apr 16, 2019
This could be a crucial year for the powerful gene-editing technique CRISPR as researchers start testing it in patients to treat diseases such as cancer, blindness and sickle cell disease.
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NPR
Shots - Health News
Scientists around the world criticized Chinese researcher He Jiankui's experimental editing of DNA in embryos that became twin girls.

World Health Organization Forms Committee To Guide Editing Of Human Genes

Feb 14, 2019
WHO acted in reaction to a Chinese scientist's announcement in 2018 that he had created the world's first gene-edited babies, a step that highlighted the need for uniform gene-editing guidelines.
NPR
Shots - Health News
Dieter Egli, a developmental biologist at Columbia University, and Katherine Palmerola examine a newly fertilized egg injected with a CRISPR editing tool.

New U.S. Experiments Aim To Create Gene-Edited Human Embryos

Feb 01, 2019
Despite outrage over gene editing in China that affected the birth of twins, research is underway in the U.S. to assess the safety and effectiveness of CRISPR tools to edit genes in human embryos.
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NPR
Shots - Health News
There has been a backlash since Chinese scientist He Jiankui's claim that he edited genes in embryos that became twin girls.

Outrage Intensifies Over Claims Of Gene-Edited Babies

Dec 07, 2018
Concerns over a Chinese scientist's claim that he created the first gene-edited babies grow with more questions about whether it worked and the possible harm he may have inflicted on the twin girls.
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NPR
Shots - Health News
American biologist David Baltimore criticized a fellow scientist who claims he has edited the genes human embryos during the Second International Summit on Human Genome Editing at the University of Hong Kong.

Science Summit Denounces Gene-Edited Babies Claim, But Rejects Moratorium

Nov 28, 2018
The Second International Summit on Human Genome Editing issues a consensus on how scientists might responsibly move forward to create gene-edited babies in the wake of a rogue scientist's claims.
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NPR
Shots - Health News
Researcher He Jiankui spoke Wednesday during the 2nd International Summit on Human Genome Editing in Hong Kong.

Facing Backlash, Chinese Scientist Defends Gene-Editing Research On Babies

Nov 27, 2018
He Jiankui, who shocked the world by asserting he had genetically edited twin girls, faced growing criticism from other researchers as he spoke at a scientific conference in Hong Kong.
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NPR
Shots - Health News
Genetics researcher He Jiankui said his lab considered ethical issues before deciding to proceed with DNA editing of human embryos to create twin girls with a modification to reduce their risk of HIV infection. Critics say the experiment was premature.

Chinese Scientist Says He's First To Create Genetically Modified Babies Using CRISPR

Nov 26, 2018
A scientist says he created the first genetically edited babies using CRISPR to protect them from HIV infection. The move has prompted immediate criticism as premature and reckless.
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NPR
Shots - Health News
DNA sleuthing helped identify Joseph James DeAngelo, the suspected East Area Rapist, who was arraigned in a Sacramento, Calif., courtroom in April.

Easy DNA Identifications With Genealogy Databases Raise Privacy Concerns

Oct 11, 2018
A majority of Americans of European descent could be linked to third cousins, or closer relatives, using genealogy databases, a study finds. Soon it may be possible to identify nearly everyone by DNA.
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NPR
Shots - Health News
Immature human eggs (pink) were created by Japanese researchers using stem cells that were derived from blood cells.

Scientists Create Immature Human Eggs From Stem Cells

Sep 20, 2018
A Japanese research team made immature human eggs from stem cells that were derived from human blood. The technique brings scientists a step closer to being able to mass-produce human eggs.
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NPR
Shots - Health News

Her Son Is One Of The Few Children To Have 3 Parents

Jun 06, 2018
Several women who have had trouble conceiving children have gone to a clinic in Ukraine that is doing something unique: using DNA from three different people to create a healthy embryo.
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