The Science of ‘Morning Wood’ TWEET IT – http://clicktotweet.com/aQNb5 The Sex-Ed class you never got in school! Why do men tend to wake up with “morning wood”? We look at the hard facts and some of the biology of an erection, to discover the mechanism behind this phenomenon. Written and created by Mitchell Moffit (twitterRead More »
Generally, we only invent new words when we have new objects, or concepts, to describe. Eggcorn is a new word, but it describes a concepts as old as language. Learn about eggcorns, and share your favorite stories of them.Read more...
We review developments in the study of the stability of platinum-iridium standard weights, in particular the kilogram prototypes manufactured from alloy supplied by Johnson Matthey in the 1880s that still stand at the heart of the International System of Units (abbreviated SI from the French: Système international d’unités). The SI has long since moved on from length standards based on physical artefacts fabricated from this alloy, but the SI unit of mass is still defined in