Reading view

A Climate Supercomputer Is Getting New Bosses. It’s Not Clear Who.

The National Science Foundation said management of the machine, used by researchers for forecasts, disaster warnings and pure science, would be transferred to a “third-party operator.”

© Caine Delacy for The New York Times

The supercomputer is currently run from the National Center for Atmospheric Research headquarters in Boulder, Colo.
  •  

Elephant Bone in Spain May Be Proof of Hannibal’s Tanks With Trunks

Archaeologists say a 2,200-year-old specimen is the first direct evidence of how the Carthaginian war machine used the giant mammals in the Punic Wars.

© Adam Eastland/Alamy

A Renaissance-era fresco attributed to Jacopo Ripanda depicting Hannibal on the back of an elephant during the Second Punic War, in the third century B.C.
  •  

El Niño May Be Back This Summer, Bringing Drought and Floods

The powerful weather pattern is expected to shift into gear again around June, NOAA said, though its strength this time remains a question.

© David McNew/Getty Images

A storm in California during the last El Niño phase, in 2023. The El Niño weather pattern has far-reaching influence.
  •  

Trump Repeals Key Greenhouse Gas Finding, Erasing EPA’s Power to Fight Climate Change

The Environmental Protection Agency rejected the bedrock scientific finding that greenhouse gases threaten human life and well being. It means the agency can no longer regulate them.

© Jeff Swensen/Getty Images

Rigorous scientific findings since 2009 have shown that greenhouse gases and global warming are harming public health.
  •  

What to Know About the E.P.A.’s Big Attack on Climate Regulation

The Trump administration has repealed the scientific determination that underpins the government’s legal authority to combat climate change.

© Jenny Kane/Associated Press

E.P.A. administrator Lee Zeldin has claimed that previous administrations used the endangerment finding to justify “trillions of dollars” in regulations on polluting industries and its reversal will help the economy.
  •  

‘Kramer/Fauci’ Revisits a Sparring Match During the AIDS Crisis

At the heart of Daniel Fish’s verbatim staging of a C-SPAN segment is a complex relationship, between Larry Kramer and Anthony Fauci, that “goes from ‘I hate you’ to ‘I love you’ and back.”

© Michelle V. Agins/The New York Times

Thomas Jay Ryan as Larry Kramer in “Kramer/Fauci,” a verbatim staging of the 1993 televised clash between Anthony Fauci, who was the nation’s leading AIDS researcher, and Kramer, the playwright and activist.
  •  

4 Months Trapped in a Hospital for an Obsolete Way of Treating Their Disease

Health workers in developing countries know that isolating tuberculosis patients is an outdated and potentially harmful practice, but lack the resources to move away from it.

© Arlette Bashizi for The New York Times

Asta Djouma, a tuberculosis patient in isolation at the Djarengol Kodek Health Center in Maroua, northern Cameroon, who hasn’t seen her three children since she was admitted in October. “We’re just here,” she said.
  •  

Senate Questions Health Care Firm for Profiting Off Program Meant for Poor

The program was meant to help hospitals provide for poor patients by offering drug savings. But critics say a Texas company has turned it into a big business, driving up costs for patients and insurers.

© Desiree Rios for The New York Times

The offices of Apexus in Irving, Texas. The company, a subsidiary of Vizient, negotiates drug discounts.
  •  

New Method Can Find Hidden Eggs to Aid in Fertility Treatment

A study reported that the conventional method of searching follicular fluid didn’t find all the eggs. The new technology found extra eggs more than half the time.

© Cassandra Klos for The New York Times

A viable egg found by the OvaReady device that was not found using the conventional method.
  •  

Bans on Many CBD Products Loom This Year

A federal law taking effect in November severely limits the amount of THC, the euphoric cannabis compound, allowed in over-the-counter items. Many groups are fighting back.

© Bryan Anselm for The New York Times

  •  

Mexico May Be on Brink of Losing Its Measles-Free Status

The country’s confirmed cases have topped 9,000 since last year, raising fears that a high-stakes evaluation in April could lead to its status being revoked.

© Marco Ugarte/Associated Press

A health worker administering a dose of the measles vaccine in Mexico City last week. “We are confident that the outbreak will be controlled,” President Claudia Sheinbaum said on Wednesday.
  •  

Four States Sue Administration Over Loss of Public Health Funds

The states, all led by Democrats, claim the cuts were intended as retribution and will harm efforts to control H.I.V. and other sexually transmitted infections.

© Dustin Chambers for The New York Times

The headquarters of the Centers for Disease Control and Prevention in Atlanta. The agency administered block grants for H.I.V. prevention that were allocated to public health departments in California, Colorado, Illinois and Minnesota.
  •  

Trump Orders Dept. of Defense to Buy Electricity From Coal Sources

Mr. Trump is trying to revive coal, the dirtiest fossil fuel. At the White House, coal executives awarded him a trophy as the “Undisputed Champion of Beautiful Clean Coal.”

© Tierney L. Cross/The New York Times

President Trump signed an executive order. On the desk beside him is a trophy labeled “Undisputed Champion of Beautiful Clean Coal.”
  •  

Portland Lawsuit Alleges Tear Gas Use by ICE Is a Health Threat

A novel lawsuit in Portland argues the chemicals are a health threat that have soaked into apartment walls, furniture and even children’s toys.

© Jordan Gale for The New York Times

An October incident outside an ICE facility in Portland, Ore. Residents across the street have sued over the use of tear gas.
  •  

F.D.A. Refuses to Review Moderna Flu Vaccine

The vaccine maker’s shots involve the successful Covid vaccines’ RNA technology. Health Secretary Robert F. Kennedy Jr. has broadly rejected it, canceling millions of dollars in research projects.

© Brian Snyder/Reuters

Moderna is a pioneer in using mRNA technology, first with the Covid vaccine. Its flu shot was being developed for people 50 and older.
  •  

Climate Change Is Erased From Reference Manual on Scientific Evidence for Judges

After Republican criticism, a group that offers professional resources to judges withdrew a climate science chapter from its Reference Manual on Scientific Evidence.

© Julia Demaree Nikhinson/Associated Press

J.B. McCuskey, the West Virginia attorney general, in Washington last month. He led the effort against the climate chapter in the judges’ handbook.
  •  

Seals Are Recruited to Study the Ocean Under Antarctic Glaciers

The environment is changing rapidly around the melting Thwaites Glacier. Seals can collect data in waters that ships could never reach.

© Bok Jin Kim, Chang W. Lee/The New York Times

The tags themselves don’t seem to bother the animals, but Ms. Cheon and Mr. Chung agreed the tagging process tugs on some complicated heartstrings.
  •  

Newly Unbound, Trump Weighs More Nuclear Arms and Underground Tests

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is trying to spur negotiations on a new accord now that a last Cold War treaty has expired.

© U.S. Atomic Energy Commission, via Associated Press

An underground atomic test at the Nevada Test Site near Yucca Flats in 1955. The last U.S. explosive test of a nuclear weapon was in 1992.
  •  

2 to 3 Cups of Coffee a Day May Reduce Dementia Risk. But Not if It’s Decaf.

One to two cups of caffeinated tea per day helps too, researchers found after following nearly 132,000 people for 40 years.

© Angela Weiss/Agence France-Presse — Getty Images

Beyond two and a half cups of coffee daily, the advantage plateaued, possibly because there’s a limit to how much caffeine our bodies can metabolize, researchers said.
  •  

War Came to Ukraine and Its Dogs Are Not the Same

Researchers discovered surprising changes to former pets along the front line of combat with Russia.

© Tetiana Dzhafarova/Agence France-Presse — Getty Images

A dog walked past damaged houses in the city of Svyatohirsk, Donetsk, last summer.
  •  

These Mathematicians Are Putting A.I. to the Test

Large language models struggle to solve research-level math questions. It takes a human to assess just how poorly they perform.

© Aurelien Bergot for The New York Times

Martin Hairer, a mathematician at the Swiss Federal Technology Institute of Lausanne. He splits his time between there and the Imperial College London.
  •  

TrumpRx: What to Know About Insurance Benefits, Pricing and Savings

People may be able to pay less for prescriptions with their insurance rather than via the new government website. The Trump drugstore is meant to help people buy medications using their own money.

© Saul Loeb/Agence France-Presse — Getty Images

President Trump; Dr. Mehmet Oz, who oversees Medicare and Medicaid; and Joe Gebbia, who oversees the design of government websites, unveiled TrumpRx at the Eisenhower Executive Office Building on Thursday.
  •  

Federal Vaccine Advisers Take Aim at Covid Shots

One panelist accused the F.D.A. of withholding data on potential harms. The advisers also are reviewing research on vaccines given to pregnant women.

© Alyssa Pointer/Reuters

Dr. Robert Malone, during a December meeting of the Advisory Committee on Immunization Practices in Atlanta.
  •  

TrumpRx, the President’s Online Drugstore, Opens for Business

TrumpRx is aimed at helping patients use their own money to buy medicines. But researchers who study drug pricing warned that many patients could pay too much if they use the site.

© Eric Thayer/Getty Images

The TrumpRx website is meant to be an entry point for consumers to search for their medicines and then direct them to manufacturers’ websites to buy the drugs directly.
  •  

Federal Judge Blocks Texas Law Targeting Critics of Fossil Fuels

The court ruled that it was unconstitutional to bar state agencies from investing with firms that the state had accused of boycotting the oil industry.

© Tony Gutierrez/Associated Press

Trucks at an oil field in Midland, Texas. A judge ruled that a 2021 law about investing practices was unconstitutional.
  •