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International commitment to safe nuclear reactors—Response | Science
In her Letter on behalf of the American Nuclear Society (ANS), Marshall suggests that the United States should not unilaterally determine security policy with regard to high-assay low-enriched uranium (HALEU). However, it is established by international treaty that nuclear security is the sovereign responsibility of individual states (1). It is also incumbent on the United States to help inform the development of international standards by carrying out early studies. This has historically been the case, as, for example, when the United States initially established standards to restrict the dissemination of HALEU to quantities less than the amount sufficient to make a nuclear weapon (2).
International commitment to safe nuclear reactors | Science
In their Policy Forum “The weapons potential of high-assay low-enriched uranium” (7 June 2024, p. 1071), R. S. Kemp et al. describe the potential misuse of high-assay low-enriched uranium (HALEU). The American Nuclear Society (ANS)—a professional nuclear science and technology society representing more than 10,000 members worldwide—acknowledges the importance of continually evaluating the proliferation risks associated with nuclear materials. However, we disagree with Kemp et al.’s implied recommendation that the United States decide international nuclear security policy by unilaterally redefining HALEU enriched above 10% as “weapons usable.” ANS’s position on HALEU aligns with the stance of the United Nations’ International Atomic Energy Agency (IAEA): HALEU enriched up to 20% is not considered “direct-use” material (1).
NextGen Voices: Research Safeguards | Science
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Rising seas endanger maritime heritage | Science
HomeScienceVol. 387, No. 6733Rising seas endanger maritime heritageBack To Vol. 387, No. 6733 Full accessLetter Share on Rising seas endanger maritime heritageJon M. Erlandson [email protected], Scott M. Fitzpatrick, [...] , Kristina M. Gill, Patrick V. Kirch, [...] , John T. Ruiz, Victor D. Thompson, and Jason Younker+4 authors +2 authors fewerAuthors Info & AffiliationsScience30 Jan 2025Vol 387…
Invoking Asilomar | Science
The historic meeting’s legacy resists simple lessons
The monster in the room | Science
A historian interrogates the mythical creatures we create to dehumanize and devalue others
Genome recombination on demand | Science
Large genome rearrangements in mammalian cells can be generated at scale
Replaying off the beaten path | Science
Before the hippocampus goes down memory lane, it takes a detour
Catching carbon fixation without fixing | Science
Structural snapshots of an enzyme complex reveal missing pieces of a biological process
Scratching more than an itch | Science
Enhanced antibacterial skin inflammation is an adaptation of the itch-scratch cycle
Taking responsibility: Asilomar and its legacy | Science
A reappraisal of the constitutional position of science in American democracy is needed
Viewing Asilomar from the Global South | Science
To many in the scientific community, the 1975 Asilomar Conference on Recombinant DNA stands as a singular achievement. This experiment in governance seemed to demonstrate that citizens could trust scientists to anticipate their fields’ risks and propose ...