Special Notice to All
Science Press Package Recipients

The AAAS Office of Public Programs received additional information on 3 March on a forthcoming paper by Taleyarkhan et al., (article number 12, on "super-hot collapsing bubbles").

As a service to journalists, and to uphold the highest possible standards of science communications, we are making this additional information available to all registrants who have signed the Science embargo agreement.

Please note: This additional information has not been peer-reviewed by Science or its publisher, the American Association for the Advancement of Science (AAAS). These materials are therefore being provided "as-is" by the Office of Public Programs, in the interest of providing journalists with full access to all available information. We hope that this material will allow journalists to prepare the most accurate, balanced coverage possible. Journalists are asked, however, to kindly inform the public that these supplemental materials have not been peer-reviewed, and are not being endorsed by Science or the AAAS.

The additional information consists of (1) a review, conducted internally by the Oak Ridge National Laboratory; and (2) a response, by Taleyarkhan et al.

In the review, D. Shapira and M.J. Saltmarsh report that they found "no evidence for 2.5-MeV neutron emission"-one of the telltale products of fusion reactions, and further research is needed. In their response, Taleyarkhan and colleagues report that Shapira and Saltmarsh did, in fact, detect neutron emissions, but the reviewers had improperly calibrated their detector and thus, misinterpreted the findings. Taleyarkhan's group agrees that further study is needed.

Finally, we ask all Science Press Package registrants to note that the peer-reviewed Science paper describes reactions inside bubbles that reach temperatures as hot as the center of the sun-up to 10 million degrees Kelvin. Thus, descriptions of this work as "cold fusion" are grossly inaccurate. We wish to thank all journalists who are taking the time to read and understand this research, to convey accurate information to the public.

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