The packaging of eukaryotic genomes as chromatin evolved by accommodating the conflicting demands of storing, organizing and protecting the genetic information while ensuring its access as needed. The ...

Geologists report that a universal sliding mechanism operates for earthquakes of all depths -- from the deep ones all the way up to the crustal ones. The physics of the sliding is the self-lubrication ...

A lot of machines are overflowing in the world, I think that there is not much conscious of the mechanism, but the site introducing the mechanism of such a machine with illustration and animation is ...