s2n is an implementation of the TLS protocol that was released in late June 2015 by Amazon. It is implemented in around 6,000 lines of C99 code. By comparison, OpenSSL needs around 70,000 lines of code to implement the protocol. At the time of its release, Amazon announced that s2n had undergone three external security evaluations and penetration tests. We show that, despite this, s2n — as init...

The Ancient Egyptians wrote Calendars of Lucky and Unlucky Days that assigned astronomically influenced prognoses for each day of the year. The best preserved of these calendars is the Cairo Calendar (hereafter CC) dated to 1244-1163 B.C. We have presented evidence that the 2.85 days period in the lucky prognoses of CC is equal to that of the eclipsing binary Algol during this historical era. W...

This research was carried out to determine the effect of boron fertilization on hollow stem development in broccoli under field conditions, 2016-2017. In study, three cultivars (Brassica oleracea var. italica, Plenk cvs. 'Batavia F1', 'Burney F1' and 'Lucky F1') were used as plant material. addition, applied at 0, 0.5, 1, 1.5 kg da-1. It determined that applications varied according doses. clea...

Just ask the family cat: we are not all in this together, and never were. In piece, I describe my journey as a mother mathematician United States during COVID-19 pandemic. Even though am one of lucky ones, could do so much better.