Presentation slides are optional. A presentation is not a set of slides: It is about someone having something to say to an audience. Creating slides is therefore less important than planning the ...

In the beauty contest that is the annual citation report from ISI, linkurl:Nature;http://www.nature.com/nature/index.html has tripped and fallen off the stage. Having ...

DR. ALEXANDER RUSSELL'S remarks on the invention of the slide rule (NATURE, January 13, p. 307) are of great interest, particularly his reference to Seth Partridge. There can be no doubt that ...