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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Nuclear Science and Engineering
November 2025
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October 2025
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Latest News
NEA report calls for more accurate data on SNF heat decay
The OECD Nuclear Energy Agency has issued a report calling for more-detailed information on tracking the decay heat of spent nuclear fuel from light water reactors. According to the NEA, the report highlights the increasing importance of accurate decay heat estimations due to evolving fuel characteristics, including higher initial fuel enrichment, increased burn-up rates, and extended reactor cycle lengths.
The report, Summary of the NEA Assessment on Spent Nuclear Fuel Decay Heat for Light Water Reactors, summarizes the findings of a subgroup of the NEA’s Working Party on Nuclear Criticality Safety (WPNCS), which ran from January 2022 to January 2024.
Top Tier Award
Topic: Nuclear Technology
VIEW RECIPIENTSSUBMIT NOMINATION
Nomination Deadline
March 1
Presented at the
Annual Conference
Award
Engraved Bronze Medal
The Walter H. Zinn Medal recognizes an individual for outstanding contributions to the advancement or implementation of nuclear technology. This award is to recognize notable and sustained technical contribution, leadership, or other service that has not been widely recognized.
Nominees may be from any nation, but they must not be deceased at the time the awardee is selected and need not be ANS members.
The award consists of an engraved medal. It is to be made no more frequently than once per year and is normally conferred during the ANS Annual Conference.
This award was established by the Operations & Power Division in 1976 with the inaugural award going to Walter H. Zinn, a pioneer in nuclear reactor development and the Society's first President, for his many contributions to the development of nuclear power. Subsequent recipients have been selected by the Operations & Power Division Honors and Awards Committee to recognize individuals who have made outstanding contributions to nuclear power. In August 2018, the OPD and ANS H&A Committee elevated this award to a national Top Tier ANS award, and it was renamed the Walter H. Zinn Medal.
Nominations must include the completed nomination form accompanied by the following supporting documents:
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