e! Science News reports a new study in EPJ Data Science by Marcel Salathé showing that anti-vaccination sentiments spread more easily than pro-vaccination sentiments.

We find that the effects of neighborhood size and exposure intensity are qualitatively very different depending on the type of sentiment. Generally, we find that larger numbers of opinionated neighbors inhibit the expression of sentiments. We also find that exposure to negative sentiment is contagious

Read the full paper for the tricky design – at least the results fully underpin daily life experience. It’s certainly much easier to do Twitter than Facebook studies on the other hand these rather short messages are certainly not the main channel of many great “opinionated” people.

Yes, that’s Isaac Newton:

I do not know what I may appear to the world; but to myself I seem to have been only like a boy playing on the seashore, and diverting myself in now and then finding of a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.

During the recent holidays I have been thinking on how to reconstruct my picture gallery. (Show me more…)

This is something I wanted for years as I found these professional sales sites too complicated or too expensive.

So I played around with simplecart but encountered soon some strange JS problems.

Then I tried the minicart which was more straightforward. So if you are looking for some similar project, here is a short summary how that may work. (Show me more…)