Nuclear News on the Newswire

A better model? Low levels of radiation and health effects

One of the more pivotal issues in facilitating the use of radiation sources—including nuclear power—in the United States (and most of the Western world) is concern about the health effects of low levels of radiation. The current regulatory assumption is that every additional increment of radiation linearly increases the risk of cancer.

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The nuclear outlook on the Big Beautiful Bill

The dust has settled: It’s been one month since President Trump signed H.R.1, the One Big Beautiful Bill Act, after a lengthy and contentious reconciliation process. As drafts of the bill evolved through committees, the House, and the Senate, the fate of federal support for nuclear energy projects was often obfuscated.

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Chris Wagner: The role of Eden Radioisotopes in the future of nuclear medicine

Chris Wagner has more than 40 years of experience in nuclear medicine, beginning as a clinical practitioner before moving into leadership roles at companies like Mallinckrodt (now Curium) and Nordion. His knowledge of both the clinical and the manufacturing sides of nuclear medicine laid the groundwork for helping to found Eden Radioisotopes, a start-up venture that intends to make diagnostic and therapeutic raw material medical isotopes like molybdenum-99 and lutetium-177.

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Lightbridge to test uranium-zirconium fuel alloy in INL’s ATR

Lightbridge Corporation has fabricated samples of nuclear fuel materials made of an enriched uranium-zirconium alloy, matching the composition of the alloy that the company intends to use for its future commercial Lightbridge Fuel product. The fuel is designed to improve the performance, safety, and proliferation resistance of nuclear reactors, according to the company. The enriched coupon samples will now be placed into capsules for irradiation testing in Idaho National Laboratory’s Advanced Test Reactor.

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NS Savannah soon open to the public

The world’s first nuclear-powered merchant ship, the NS Savannah, will have a public site visit in Baltimore, Md., on Saturday, August 23.

To register for the event and find up-to-date details on the event’s address, time, and more, click here.

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NCSD 2025 in Austin is on the horizon

This year’s ANS-sponsored Nuclear Criticality Safety Division Conference (NCSD 2025) will be held at the AT&T Hotel & Conference Center in Austin, Texas, September 14–18.

To register for the event, explore the full program, and reserve your room at the host hotel, click here.

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INL makes a case for eliminating ALARA and setting higher dose limits

A report just released by Idaho National Laboratory reviews decades of radiation protection standards and research on the health effects of low-dose radiation and recommends that the current U.S. annual occupational dose limit of 5,000 mrem be maintained without applying ALARA—the “as low as reasonably achievable” regulatory concept first introduced in 1971—below that threshold.

Noting that epidemiological studies “have consistently failed to demonstrate statistically significant health effects at doses below 10,000 mrem delivered at low dose rates,” the report also recommends “future consideration of increasing this limit to 10,000 mrem/year with appropriate cumulative-dose constraints.”

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The NRC’s Annie Caputo resigns

Caputo

Commissioner Annie Caputo is resigning from the Nuclear Regulatory Commission, according to a statement sent out to staff on Tuesday morning. Her resignation comes one day after the U.S. Senate voted to reconfirm chair David Wright to the commission.

“The time has come for me to more fully focus on my family,” Caputo said in her statement, provided by NRC spokesperson Scott Burnell. “I believe the [Trump] administration’s recent executive orders and the bipartisan ADVANCE Act have given the agency a platform for change.”

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