How Russia ‘Colonized Itself’

Historical Culture: Russia in Search of Itself

How mitosis keeps itself in order

How mitosis keeps itself in order C ells progress through mitosis by switching protein activities on and off in a clearly defi ned order. The ubiquitin ligase APC/C deactivates mitotic proteins by targeting them for degradation by the proteasome. The APC/C is activated by two different subunits that recognize short sequence motifs, known as D and KEN boxes, in the target proteins. In early mito...

Phishing: How an Organization can Protect Itself

The objective of this paper is to report on research to construct a model, which should provide guidance to an organization on how to address all dimensions associated with phishing and assist in solving the problem holistically. The emphasis will be placed on the human and organizational dimensions. Most research in this area has shown that only certain dimensions used to combat phishing attac...

How Does a Robot Find Redundancy by Itself?

A hybrid architecture consisting of several adaptive controllers is effective to control a multi-degree-of-freedom robot acting in unknown/dynamic environment. For such controllers, it is important to find out whether they are redundant with respect to the subtasks given for the sub-controllers. In this paper, we propose an adaptive sub-controller which have an ability to finding out its redund...

Algal Morphogenesis: How Volvox Turns Itself Inside-Out

The coordinated movements of epithelial tissues play vital roles in a variety of processes, from embryonic development to wound healing. The multicellular green alga Volvox carteri is a useful model organism for studying one such movement: epithelial bending [2]. During embryogenesis, the immature spheroid Volvox undergoes a process known as inversion whereby it turns itself completely inside o...