Rob Stein | KUNC

Rob Stein

Rob Stein is a correspondent and senior editor on NPR's science desk.

An award-winning science journalist with more than 30 years of experience, Stein mostly covers health and medicine. He tends to focus on stories that illustrate the intersection of science, health, politics, social trends, ethics, and federal science policy. He tracks genetics, stem cells, cancer research, women's health issues, and other science, medical, and health policy news.

Before NPR, Stein worked at The Washington Post for 16 years, first as the newspaper's science editor and then as a national health reporter. Earlier in his career, Stein spent about four years as an editor at NPR's science desk. Before that, he was a science reporter for United Press International (UPI) in Boston and the science editor of the international wire service in Washington.

Stein's work has been honored by many organizations, including the National Academy of Sciences, the American Association for the Advancement of Science, the American Association for Cancer Research, and the Association of Health Care Journalists. He was twice part of NPR teams that won Peabody Awards.

Stein frequently represents NPR, speaking at universities, international meetings and other venues, including the University of Cambridge in Britain, the World Conference of Science Journalists in South Korea, and the Aspen Institute in Washington, DC.

Stein is a graduate of the University of Massachusetts, Amherst. He completed a journalism fellowship at the Harvard School of Public Health, a program in science and religion at the University of Cambridge, and a summer science writer's workshop at the Marine Biological Laboratory in Woods Hole, Mass.

Scientists have launched a major new phase in the testing of a controversial genetically modified organism: a mosquito designed to quickly spread a genetic mutation lethal to its own species, NPR has learned.

For the first time, researchers have begun large-scale releases of the engineered insects, into a high-security laboratory in Terni, Italy.

"This will really be a breakthrough experiment," says Ruth Mueller, an entomologist who runs the lab. "It's a historic moment."

A scientist in New York is conducting experiments designed to modify DNA in human embryos as a step toward someday preventing inherited diseases, NPR has learned.

For now, the work is confined to a laboratory. But the research, if successful, would mark another step toward turning CRISPR, a powerful form of gene editing, into a tool for medical treatment.

Ever since a Chinese scientist rocked the world by claiming he had created gene-edited twin girls, international outrage has only intensified.

A Chinese scientist's claims that he created the world's first gene-edited babies is a "deeply disturbing" and "irresponsible" violation of international scientific norms, according to a formal conclusion issued Thursday by organizers of the Second International Summit on Human Genome Editing in Hong Kong.

But the summit rejected calls for a blanket moratorium on such research, saying that the work could eventually lead to new ways to prevent a long list of serious genetic diseases.

Updated at 6:15 a.m. ET

The scientist who stunned the world by claiming he created the first genetically modified babies defended his actions publicly for the first time on Wednesday, saying that editing the genes of the twin girls while they were embryos would protect them from contracting HIV.

He Jiankui of the Southern University of Science and Technology in Shenzhen, China, addressed hundreds of scientists gathered at an international gene- editing summit in Hong Kong that has been rocked by ethical questions swirling around his research.

Editor's note: This story was updated at 11:52 a.m. to add information about an ethics committee investigation into the DNA-editing experiment.

For the first time, a scientist claims to have used a powerful new gene-editing technique to create genetically modified human babies.

The Food and Drug Administration announced Thursday that it will seek a ban on the sale of menthol-flavored cigarettes.

The announcement came as the agency officially released a detailed plan to also restrict the sale of flavored electronic cigarettes. It also wants to ban flavored cigars.

The number of children being stricken by a mysterious paralyzing condition continues to increase, federal officials say.

At least 252 cases of acute flaccid myelitis, or AFM, have been reported to the Centers for Disease Control and Prevention so far this year from 27 states, including 90 that have been confirmed through Nov. 9, the CDC reported Tuesday.

Most of the cases have occurred among children between the ages of 2 and 8.

Danielle Vukadinovich is sitting up in a hospital bed at the Inova Women's Hospital in Falls Church, Va., waiting to give birth.

"I feel good, I'm excited!" says Vukadinovich, 35, of Annandale, Va., "Nervous, but good!"

Vukadinovich is getting a cesarean section today. It's the second time for her — she underwent the surgical procedure 19 months ago when her twins were born.

Police in California made headlines this spring when they charged a former police officer with being the Golden State Killer, a man who allegedly committed a series of notorious rapes and murders in the 1970s and '80s.

Authorities revealed they used DNA from a publicly available genealogy website to crack the case.

Since then, police around the country have started doing the same sort of thing to solve other cold cases.

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