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A Peptide Showdown: F.D.A. Scientists May Clash With R.F.K.’s Agenda
Agency scientists are advising against allowing widespread use of several peptide injections. Robert F. Kennedy Jr., the health secretary, has said people should be free to experiment.
How to Eat a 2,000-Pound Fish? These Orcas Choose to Pulverize It.
Marine biologists in Mexico captured video of a strange maneuver that killer whales used to shred their meal.
With Saudi Deal, Trump Loosens Nuclear Standards for One Close Ally
Nuclear experts say it throws fuel on the smoldering fire of atomic proliferation, creating a destabilizing situation that could raise the risk of nuclear war.
What Were the Lotus-Eaters Eating in Homer’s ‘Odyssey’?
In Homer’s epic, Odysseus’s men eat something so powerful that they forget about home. Which plants could have produced such a soporific, narcotic and amnesiac effect?
Dunes Sagebrush Lizard Stripped of Endangered Status by Judge
The dunes sagebrush lizard, found only in the oil-rich Permian Basin, was classified as endangered two years ago.
Trump Administration to Announce Deal That Could Let Saudis Enrich Nuclear Fuel
U.S. lawmakers and Israeli officials have expressed opposition to such a plan, to be announced Wednesday, fearing that the kingdom could use a civilian nuclear project to develop nuclear weapons.
Deep in This Lake, a Contagious Cancer Is Spreading
Transmissible tumors have been reported in a handful of animal species, but never before among fish. Is it possible in humans?
He’s the Last Great Land Artist You’ve Never Heard Of
Charles Ross spent 50 years building “Star Axis,” a naked-eye observatory in New Mexico. Now his masterwork is ready. How to share it with a changed world?
What the Cyclospora Outbreak Reveals
Warming is expected to fuel the spread of food-borne pathogens. We might not be prepared.
‘Too Rare to Care’? A New Center for Rare Diseases Hopes to Change That
A new nonprofit wants to streamline gene therapy for diseases often avoided by pharmaceutical companies — making treatment more like a routine procedure than a bespoke drug.
Monkeys Understand Shapes in Almost the Same Way as Humans
Our geometric intuition, long considered something that sets us apart, seems to be shared with other primates.
Susumu Tonegawa Dies at 86; Nobel Laureate Showed How Antibodies Fight Infection
The first Japanese scientist to win the Nobel Prize in Physiology or Medicine, he went on to discover how memories are stored, advancing understanding of how the brain works.
Cameron Hamilton Poised to Lead FEMA Once More
Cameron Hamilton defended the agency last year when President Trump talked about eliminating it. Emergency managers hope for more stability if he’s confirmed as administrator.
1,700 H.I.V. Treatment Sites Closed After Trump Aid Cuts, a Study Finds
New research also shows that children and high-risk adult populations have been particularly affected.
The U.S. Is Pulling Back on Energy Efficiency
The Trump administration is undoing fuel-saving efforts even as war in Iran, data centers and heat waves are pushing up gasoline and electricity costs.
Trump Attacks National Academies Over Climate Chapter in Judges’ Manual
The president joined Republican officials who slammed the National Academies of Sciences for a chapter about climate science in an educational guide for judges.
The Sewer Knows What You Ate
During the Covid-19 pandemic, wastewater testing became a virus warning system. Now, scientists are using the approach to understand how communities eat.
The Best Genetic Risk Tools Don’t Work Equally for Everyone
Genetic prediction models are poised to revolutionize medicine. But because they have been trained on European DNA, they threaten to widen health care disparities.
Taylor Farms Expands Iceberg Lettuce Recall to 27 States Amid Cyclospora Outbreak
The implicated products were marketed under several brands, and had been shipped as recently as Thursday.
As Natural Disasters Expand, a Disaster-Tracking App Is Booming
Known for tracking California wildfires, Watch Duty is moving beyond that mission. Millions of people are turning to it for help.
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