Science
Critics slam Trump’s purge of National Science Board: ‘Wholesale evisceration of American leadership in science’
The future of the National Science Foundation is in question after a slew of scientists who serve on the National Science Board, an independent body that promotes the progress of American science and provides advice to the U.S. president and Congress, were abruptly dismissed from their positions Friday by the White House.
All 22 current members of the board, which establishes policies for the National Science Foundation, were terminated, according to Yolanda Gil, a research professor of computer science and spatial sciences and principal scientist at USC Information Sciences Institute, who has served on the board since 2024.
Many of them received a curt email from President Trump’s presidential personnel office.
“On behalf of President Donald J. Trump, I’m writing to inform you that your position as a member of the National Science Board is terminated, effective immediately,” read an email reviewed by the L.A. Times. “Thank you for your service.”
After receiving an email Friday afternoon, Keivan Stassun, a professor of physics and astronomy at Vanderbilt University and director of the Vanderbilt Initiative in Data-intensive Astrophysics, said he reached out to fellow board members. Every member he heard back from — about a third of the board — reported receiving the same termination notice.
For Stassun, a board member since 2022, the termination represented “a wholesale evisceration of American leadership in science and technology globally.”
The White House has not given any reason for dismissing the board members or provided any information on when, or even whether, they will be replaced. A media representative for the NSF directed all questions to the White House. The White House did not respond to questions from The Times.
The National Science Foundation was created more than 75 years ago as an independent federal agency when President Truman signed the National Science Foundation Act of 1950 to boost U.S. science for national security and international competition during the Cold War.
“The establishment of the National Science Foundation is a major landmark in the history of science in the United States,” Truman said back then. “We have come to know that our ability to survive and grow as a nation depends to a very large degree upon our scientific progress. Moreover, it is not enough simply to keep abreast of the rest of the world in scientific matters. We must maintain our leadership.”
The agency, which has a budget of over $9 billion, supports fundamental research and education across all non-medical fields of science and engineering.
“The genesis of it was to recognize that the world was increasingly being won or lost on the basis of scientific and technological capability,” Stassun said. “The National Science Foundation is the singular agency within our government that has as its focus making sure that we stay ahead in basic science, technological developments, training the next generation of scientists and engineers.“
After Trump’s dismissal of the board’s experts, Stassun said, the Trump administration could potentially run the agency directly through the Office of Management and Budget.
“What it means is that there won’t be any practical impediments to the administration essentially enacting their own budget and priorities and ignoring Congress’ directives or congressional law,” Stassun said.
Rep. Zoe Lofgren of San José, the ranking Democrat on the House Science, Space and Technology Committee, dubbed the terminations just “the latest stupid move made by a president who continues to harm science and American innovation.”
The board, Lofgren noted in a statement, is apolitical and advises the president on the future of NSF.
“It unfortunately is no surprise a president who has attacked NSF from day one would seek to destroy the board that helps guide the foundation,” Lofgren added. “Will the president fill the NSB with MAGA loyalists who won’t stand up to him as he hands over our leadership in science to our adversaries? A real bozo the clown move.”
The National Science Board is typically made up of 25 scientists and engineers from universities and industry across the nation. Appointed by the U.S. president, they traditionally serve six-year terms.
Some of the board positions were vacant. The key position of NSF director has been unfilled ever since Sethuraman Panchanathan, a computer scientist and academic administrator, resigned in April 2025.
“Given that the NSF director position has been vacant for a year, and that the NSB’s main role is governing NSF, the agency is left in a very precarious position,” Gil told The Times in an email. “I think this is one more indication of the sweeping changes that the administration is planning for the National Science Foundation.”
Over the last two years, Gil said, the White House has proposed drastic reductions in the NSF budget — a troubling sign, she argued, that basic research in science and engineering and training students are not high priorities for the current administration.
In the last few months, Gil added, the agency had significant reductions of personnel, which she said “jeopardizes the peer review process that the agency is best known for and gives more decision power to program directors.”
In March, Trump nominated James O’Neill, a venture capitalist and biotech investor who served as former deputy secretary of Health and Human Services, to lead the foundation. O’Neill has yet to appear before Congress for a hearing, but Trump’s nomination received a storm of criticism from scientists.
“O’Neill would be the first head of NSF who wasn’t a scientist or engineer,” Dr. Julian Reyes, chief of staff of the Union of Concerned Scientists, wrote in a blog post. “If O’Neill is confirmed as NSF’s director, the Trump administration will further tighten its control over an agency created by Congress to be independent in its work to advance science.”
Traditionally, Gil said, NSF directors have had a solid research career and strong familiarity with NSF processes. O’Neill’s background in finance and investments, she suggested, “may be an indication that the administration has a different idea of how to run a science agency like NSF.”
Already, the Trump administration has purged a raft of scientific advisory boards that provided the federal government with expert guidance. Last year, dozens of experts who provided independent evaluations for biomedical research were dismissed from National Institute of Health science review boards. All 17 members of the Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practices, which provides federal recommendation on vaccines, were also removed.
In that context, Stassun said he was not surprised when he got the termination letter Friday. “At some point,” he figured, “they would come for the National Science Board, too.”
Going forward, Stassun said he expected the Trump administration to pursue a narrower agenda, from investments in artificial intelligence to building a fleet of Antarctic vessels.
“What we’re likely to see is a collapse of what has historically been a broad investment in American science and technology capabilities,” he said. “The most transformative discoveries are transformative because you can’t predict them in advance, so we invest foundationally in scientists and engineers to do basic science and engineering research.”
One of the board’s chief priorities since he joined in 2022, Stassun said, had been the idea of “talent being the treasure” — developing the best and brightest future leaders and discoverers to ensure a future for American leadership in scientific and technological innovation.
For the board, that meant investing in early science education and strong training for scientists and engineers at all educational levels and in all sectors.
“Discoveries and inventions don’t make themselves, Stassun said. “People do those things. I think there’s a kind of attitude in the current administration that such a worldview is sort of too soft or meek.”
The Trump administration’s interests and priorities, Stassun said, seemed quite different.
“They see the future in, or at least their interest is in, big data centers … not in addition to, but in place of, training human minds to be leading the way,” Stassun said. “It’s a dead end or a bridge to nowhere.”
Even the pioneers of AI will tell you, Stassun said, in many cases, what AI does very well is rapidly synthesizing, consolidating or repackaging existing information. A large language model can only tell you, perhaps very quickly and effectively, what’s already been said.
“Discovery and invention remain the purview of the human mind and creative human genius,” Stassun said. “So, yeah, I think it really does say something pretty foundational to choose to invest only in the one and not the other.”
The Los Angeles County Department of Public Health is investigating a confirmed measles case in a resident who recently traveled internationally, the agency said in a release Saturday.
This is the fifth measles case identified by the county this year as outbreaks increase across the U.S. and globally.
The infected resident arrived at the Los Angeles International Airport on Thursday on Alaska Airlines Flight 1354. Other travelers at Tom Bradley International Terminal B that day between 6 a.m. and 8 a.m. may have been exposed to the virus, officials said.
Public health officials are advising residents to check their immunization status and watch for symptoms if exposed. The measles-mumps-rubella vaccine is the most effective protection from measles, according to the public health department.
“As measles cases increase, it is important that residents take steps to make sure they are fully protected,” L.A. County Health Officer Muntu Davis said in a statement. “The MMR vaccine is the safest and most reliable way to prevent measles and protect yourself, your family, and your community.”
In coordination with the federal Centers for Disease Control and Prevention, L.A. County Public Health will notify travelers seated near the infected person on the flight.
Affected travelers are at risk of developing measles from seven to 21 days after exposure to the virus. Symptoms include rash, fever, cough and red, watery eyes.
Measles can lead to complications including pneumonia, brain swelling and even death. Those with symptoms should notify their healthcare facility before visiting, officials said.
So far this year, 1,814 measles cases have been confirmed nationwide, including 48 in California.
In January, health officials recorded the most amount of cases since the U.S. achieved elimination of the virus in 2000.
Archaeologists working in Egypt have discovered a remarkable combination of Homeric epic and Egyptian ritual: a 2,000-year-old mummy with a papyrus fragment of the “Iliad” sealed in a clay packet outside its wrappings.
It is the first time a literary work has been found playing a functional, spiritual role in the mummification process. And it suggests that for a Roman-era Egyptian, the “Iliad” — specifically some lines from Book 2’s “Catalogue of Ships” — was perhaps as crucial for navigating the afterlife as a magical spell.
“The find is incredibly significant, primarily for the discovery of such a papyrus with Greek literary text in its original context,” said Foy Scalf, an Egyptologist at the University of Chicago. “We have evidence that such Greek literary texts could be used as magical amulets and that Homer was frequently cited in such amulets, as well as in the large handbooks now known as ‘The Greco-Egyptian Formularies.’ The new find directly supports that indirect knowledge.”
The mummy, a nonroyal male, was unearthed by the Mission of the University of Barcelona at a burial site known as Oxyrhynchus, as part of a project directed by Ignasi-Xavier Adiego of the university’s Institute of Ancient Near East. Leah Mascia, a specialist in the written and material culture of Greco-Roman and Late Antique Egypt at the Free University of Berlin, coordinated the collaborative breakthrough that finally brought the damaged text to light.
Recognizing that the heavily degraded papyrus required careful analysis, Dr. Mascia worked with a conservator, Margalida Munar, to stabilize the artifact, and Dr. Adiego, an authority on the Carian language, to study the text. Together, their combined expertise in preservation and linguistics allowed them to identify and read the document.
After six years of painstakingly reconstructing tomb fragments, Dr. Mascia uncovered a rare moment of cultural alchemy: Roman Egypt, where foreign and local customs merged. Her analysis, which identified embalmer seals and folding patterns of the papyrus packet, suggests that classical Greek epics were not merely read but physically repurposed.
Traditionally, mummified bodies were buried with sepulchral texts like the “Book of the Dead” and “The Book of Breathing,” formulaic manuals intended to protect and guide the deceased through the underworld. Yet, by the early Roman period, a major shift emerged: the introduction of sealed papyrus packets placed upon the dead.
These new packets contained a surprising mix of texts, including Greco-Egyptian magic, documentary records and even literary works like the “Iliad,” indicating a personalized, alternative funerary practice.
Out of the dumps
The Oxyrhynchus necropolis, located near the modern village of El-Bahnasa about 120 miles south of Cairo, is not just a burial site but an archaeological mother lode. Located on the banks of the Bahr Yussef canal, the area is speckled with ancient garbage dumps that managed to preserve everything from wedding invitations and tax records to horoscopes and early Christian gospels.
The ruins of Oxyrhynchus were initially documented by Vivant Denon, a scholar during Napoleon’s 1798 Egyptian campaign. But they held a secret that remained buried for an additional century, until 1896, when British archaeologists dug up more than 400,000 fragments of papyri from the ancient trash heaps. The discoveries ultimately included lost masterworks by poets and playwrights like Sappho and Euripides, transforming millenniums-old refuse into a cornerstone of classical literature.
In the 1990s, the Mission of the University of Barcelona and the University of Cairo began a joint project largely funded by the Spanish Ministry of Culture and the Egyptian Ministry of Tourism and Antiquities. This ongoing mission, directed by Maite Mascort i Roca and Esther Pons Mellado and staffed by archaeologists, epigraphists and papyrologists, focuses on various sectors of the necropolis, including No. 22, where experts are reconstructing the elaborate social and religious life of residents during the transition from the Ptolemaic to the Roman era.
Researchers exploring the multichambered burial site have exhumed a remarkable trove of treasures, among them mummies adorned with golden tongues — gold foil placed over the mouth — and at least one with copper, ritualistic additions that may have ensured that the dead could confidently speak their case to Osiris, the god of death and resurrection, before judgment.
A separate, distinct area of the necropolis — Sector 42 — has yielded large jars containing cremated remains. One vessel held the bones of an adult, an infant and a feline, along with fabric fragments. While these individuals most likely date to a slightly different period from the “Iliad” mummy, the immense complexity of these rites implies a wealthy, status-conscious class, providing fresh insight into the spiritual anxieties of the Roman-era community.
A cultural passport
Recovered in December from Tomb 65, the fragmentary papyrus packet contains a passage from the 2,800-year-old “Iliad” that functions as a detailed inventory of the Achaean army’s naval strength and regional origins, describing the forces arrayed against Troy to retrieve Helen. The text mentions specific commanders, such as Guneus, who arrived with “two and twenty ships from Cyphus,” and Tlepolemus, a “son of Hercules” who brought nine ships from Rhodes.
Dr. Mascia’s findings reveal a deliberate, intimate act: a document prepared in a mummification workshop and placed directly upon the body of the deceased. “These sealed papyrus packets may have been regarded as part of an alternative funerary procedure,” she said, adding that further studies were essential to prove this hypothesis.
This spiritual first-aid follows a long tradition. Dr. Scalf noted that “The Greco-Egyptian Formularies” even suggests the “Iliad” doubled as a literal medical kit. For a bed-bound patient shivering with malaria, the prescription was simple: Brace your head against a papyrus scroll of Book 4 to break the fever.
For residents navigating the complex, vibrant crossroads of Roman Egypt, Greek literary papyri may have functioned as a crucial cultural passport, said Anna Dolganov, a historian at the Austrian Archaeological Institute. In Egypt, being Hellenic connoted an exclusive social status and financial privilege — and had to be meticulously documented through genealogies going back across several centuries.
Buried with the dead, the “Iliad” perhaps served as a cheat code for a more comfortable afterlife. Dr. Dolganov wonders if carrying the epic poem was a deliberate strategy to secure entry into the Greek underworld, effectively sidestepping the torturous trials of Egyptian mythology. For these individuals, a Hellenic identity wasn’t just for this world — it was an eternal upgrade, offering a smoother path and higher status in the great beyond.
Science
Ten times worse than benzene — California updates its science on two chemicals in everyday air
Two toxic contaminants present in California’s ambient air appear to be much stronger carcinogens than previously known, state environmental health officials announced Thursday.
The draft finding from the state’s Office of Environmental Health Hazard Assessment finds that acrolein and ethylene oxide may pose an estimated cancer risk more than 10 times higher than benzene, a serious carcinogen linked to leukemia and other cancers.
It is the first step in a review process before final risk values are adopted, and it arrives at a time federal air-quality regulations are being reined in.
“If the early air monitoring results bear out, and if the draft cancer values developed are close to what eventually becomes final, then each air contaminant poses an unacceptable cancer risk,” said Kris Thayer, OEHHA’s director.
The update reflects the state’s evolving understanding of its most dangerous pollutants, which has shifted over the decades from visible pollutants, such as smog, to more invisible ones that cause cancer, heart disease and other health harms.
It comes only two months after the Trump administration’s Environmental Protection Agency moved to roll back standards on ethylene oxide, or EtO, in an effort to save millions of dollars in compliance costs for facilities that use the chemical for medical sterilization. The administration said it acted to “safeguard the supply of essential medical equipment,” but experts said the move will also expose more people to health risks.
It also follows a new national report from the American Lung Assn. that found 82% of Californians live in counties with unhealthful air, nearly double the national average.
“This is an important step to better understanding the harms of pollutants impacting Californians’ health,” said Will Barrett, assistant vice president for nationwide clean air policy at the American Lung Assn., who reviewed the state’s findings for The Times. “Following the latest available health science to determine risk is crucial to protecting health.”
Ethylene oxide is a colorless gas often used in the sterilization of medical devices, particularly those that can’t be cleaned using steam or radiation.
Acrolein can be formed when materials burn, such as cigarettes, e-cigarettes and vapes, wood, plastics and gasoline for cars, trucks, ships and aircraft. It can also be released by cooking fats and oils at high temperatures, and has been found in water produced by oil and gas operations and is an ingredient in some pesticides used in irrigation canals.
People can take steps to protect themselves from acrolein exposure in everyday life by avoiding smoking tobacco or using e-cigarettes and vaping products, avoiding smoke from fires or exhaust from diesel and gasoline vehicles and equipment — much of which can also help reduce exposure to ethylene oxide, officials said. When cooking with oils or fats, people should avoid very high temperatures and use a range hood fan when possible.
While both chemicals have been present in the state’s air for years, the new assessments from OEHHA are based on the latest science on health risks, officials said. Both acrolein and ethylene oxide were found to pose an estimated cancer risk exceeding 800 in 1 million — on par with the cancer risk that diesel exhaust was estimated to pose when it first emerged as a major public health concern in the 1990s, the agency said.
In response to the findings, Gov. Gavin Newsom’s May budget revision, released Thursday, includes $2.5 million in funding for the California Air Resources Board and OEHHA in support of research to help reduce people’s exposure to acrolein and ethylene oxide. The funding will help the state identify and track major sources of the chemicals and turn the findings into public health policy outcomes, officials said.
OEHHA’s assessment provides the first cancer risk value for acrolein since it was classified as probably cancer-causing to humans by the International Agency for Research on Cancer in 2020. Ethylene oxide was already identified as a carcinogen by the state, but the new assessment updates its risk levels based on the new research. The risk calculations are based on air monitoring data, which vary across the state depending on location, nearby sources and other factors.
Officials said the findings underscore the state’s efforts to strengthen environmental protection measures for residents at a moment when federal officials seek to loosen them.
“Especially in light of some of the national rollbacks we’re seeing on protections for public health, it really underscores how important the work that we’re doing here in California is,” said Courtney Smith, principal deputy executive officer with the Air Resources Board. “Not only for protecting the health of Californians, but also to ensure that there is rigorous, solid science available to other entities as well who may want to pursue additional protections.”
Short-term exposure to EtO by inhalation can cause headaches, dizziness, nausea, fatigue respiratory irritation and other adverse health effects, according to the federal Agency for Toxic Substances and Disease Registry. Longer-term exposure increases the risk of cancers of the white blood cells, such as non-Hodgkin’s lymphoma, as well as breast cancer.
Inhaling acrolein can cause nose and throat irritation and a decreased breathing rate. Chronic exposure, such as through cigarette smoke, has been linked to the development of asthma, chronic obstructive pulmonary disease and respiratory cancers.
The findings also come as California continues to receive poor grades on air quality. The American Lung Assn. annual State of the Air report found that the five U.S. counties with the worst smog pollution are all in California. Bakersfield was the metropolitan area with the worst level of year-round particle pollution for the seventh year in a row, while Los Angeles was the city with the worst ozone pollution, as it has been for 26 of the last 27 years.
“Californians face the most significant smog and soot challenges in the nation, but our air agencies have followed the science to build policies and programs to make real headway,” Barrett said. The state’s latest assessment “speaks to the need for ongoing local efforts while the federal government ignores the science and opens the door for more pollution. California must continue to invest in things like cleaning up truck fleets, broader public education and the underlying science to guide policies to protect health.”
Thursday’s announcement kicks off a 45-day public comment period, after which the draft assessments may be revised before undergoing additional public comment, peer review by the state’s Scientific Review Panel on Toxic Air Contaminants, and eventual adoption.
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