Science
How Covid Misinformation Created a Run on Ivermectin

Ruth Jeffers, who owns Jeffers, the animal supplies retailer, said she had sold out of ivermectin paste on her website this year. After she restocked with more expensive versions, those tubes sold out, too. So this spring, she limited new customers to five tubes. Partly driven by the demand, she raised prices for Jeffers-branded ivermectin, […]

Updated: Sep 28, 2021
Transgender Youth Face Multiple Barriers to Health Care, Study Finds

Piper, a 17-year-old transgender girl, says she knows she is fortunate. She lives just outside Atlanta, with a supportive family and two rescued leopard geckos, Saturn and Juno. Queer Med, a private gender clinic, is a short drive away; two years ago, she started a regimen of gender-affirming hormones there, after five months of asking […]

Updated: Sep 28, 2021
This Fjord Shows Even Small Populations Create Giant Microfiber Pollution

Svalbard, a Norwegian archipelago chilling halfway between the Nordic country and the North Pole, is known as much for its rugged beauty as its remoteness. From the village of Longyearbyen, visitors and roughly 2,400 residents can appreciate the stark terrain around the fjord known as Adventfjorden. But the beauty of this Arctic inlet conceals messier, […]

Updated: Sep 28, 2021
How Across America, Schools Cram for Their Covid-19 Tests

SAN ANTONIO — One recent Thursday, Ciara Brown, a junior at Fox Tech High School in San Antonio, stepped up to a small white table, pulled down her face mask and took a test that is still far from standard in American schools: a cotton swab up the nose. “Testing is super-easy,” she said. “It’s […]

Updated: Sep 25, 2021
C.D.C. Chief Overrules Agency Panel and Endorses Pfizer Boosters for Frontline Workers

Several experts on the C.D.C. panel nevertheless urged a mix-and-match strategy, saying that they could see little reason not to offer a Pfizer-BioNTech booster to someone who qualified but had received, for example, the J. & J. vaccine. Some members warned that delivering multiple rounds of booster shots, available periodically when authorized, would tax an […]

Updated: Sep 24, 2021
Biden Promised to Follow the Science. But Sometimes, He Gets Ahead of the Experts.

WASHINGTON — As he announced on Friday that booster shots would be available to some Americans, President Biden made a prediction: His administration was likely to soon provide third doses of the vaccine “across the board” to anyone who wanted one. “In the near term, we’re probably going to open this up,” he told reporters […]

Updated: Sep 24, 2021
Flood Insurance Costs Are Set to Skyrocket for Some

In 2019, FEMA said it would instead price flood insurance based on the particular risks facing each individual property, a change the agency called “Risk Rating 2.0.” After a delay by the Trump administration, the new system takes effect next month for people purchasing flood insurance. For existing customers, rates will rise starting next April. […]

Updated: Sep 24, 2021
Federal Panel Recommends Booster Shots, Opening New Campaign Against the Virus

An influential scientific panel on Thursday opened a new front in the campaign against the coronavirus, recommending booster shots of the Pfizer-BioNTech Covid vaccine for a wide range of Americans, including tens of millions of older people. But the experts declined to endorse additional doses for health care workers, teachers and others who might have […]

Updated: Sep 24, 2021
Moderna vs. Pfizer: Both Knockouts, but One Seems to Have the Edge

It was a constant refrain from federal health officials after the coronavirus vaccines were authorized: These shots are all equally effective. That has turned out not to be true. Roughly 221 million doses of the Pfizer-BioNTech vaccine have been dispensed thus far in the United States, compared with about 150 million doses of Moderna’s vaccine. […]

Updated: Sep 24, 2021
Biden Administration Makes First Major Move to Regulate Greenhouse Gases

Environmental groups described the new regulation as critical to putting the United States on a path to cut emissions 50 percent to 52 percent from 2005 levels by the end of this decade, as Mr. Biden has promised, and to keeping the planet from warming beyond a dangerous threshold. “Moving from HFCs to climate-friendlier alternatives […]

Updated: Sep 23, 2021