The Nuclear Notebook is researched and written by the staff of Federation American Scientists’ Information Project: director Hans M. Kristensen, senior research associate Matt Korda, Eliana Johns. column has been published in Bulletin Atomic Scientists since 1987. This issue’s reviews status France’s nuclear arsenal finds that stockpile approximately 290 warheads remained stable recent years, b...

The use of Data Assimilation methodologies, known also as a data adjustment, liaises the results theoretical and experimental studies improving an accuracy simulation models giving confidence to designers regulation bodies. From mathematical point view, it approaches optimized fit revealing unknown causes by consequences that would be crucial for calibration validation. assimilation adds value ...

Background: in vitro maturation (IVM) of oocytes has increasing potential applications in assisted reproductive technology (ART), during which germinal vesicle (GV) oocytes cultured in vitro to produce mature (MII arrested) ones. Although functional, IVM oocytes have low developmental competence compared to in vivo matured oocytes; possibly because IVM comprises asynchrony between nuclear and c...