In the year 1900, the German mathematician David Hilbert gave a dramatic address in Paris, at the meeting of the 2nd International Congress of Mathematicians—an address which was to have lasting fame and importance. Hilbert was at that point a rapidly rising star, if not superstar, in mathematics, and before long he was to be ranked with Henri Poincaré as one of the two greatest and most influe...

Mitochondria undergo dynamic fission and fusion events, and disruptions in this balance can lead to cellular dysfunction or death. New work by Henley and colleagues identifies a key role for the SUMO protease SENP3 and its target Drp1, a key mediator of mitochondrial fission, in ischaemia. The term mitochondrion is derived from the Greek mitos (thread) and khondrion (small grain), emphasizing t...

There is a growing appreciation among economists of the need to better understand the role that corruption plays in real-world economies. Although some have argued that it can be welfare enhancing (Nathaniel Leff, 1964), most commentators believe that a willingness to accept bribes (or similar forms of corruption) in either the public or the private sector reduces economic efŽ ciency (Andrei Sh...

The Olympic Games in Ancient Greece took place between 776AC and 393AD, based on predominantly religious reasons, the mythological values of that time. We know today fights (wrestling, boxing pankration) were part ancient program, purpose this research is to introduce understand fundamentals led them status. They present Egyptian culture since second millennium BC, well described main works Gre...

The concept of ontogenetic niche is used here to interpret how species-typical behaviors develop through active, context-dependent processes. Ontogenetic niches typically include social stimuli, such as those arising from parents, siblings, and others that provide ‘nurturing’ in the form of resources, stimulation, and affordances for development. This approach is a useful alternative to wrestli...