I looked at the evidence regarding electric/powered toothbrushes vs. manual. Generally, for medical topics, the highest quality meta-analyses come from the Cochrane Collaboration. They have a fairly recent review from…
I have the problem that many people have: Virtualbox refuses to increase the so-called dynamic disk. The result is that at some point one runs out of space and one…
I am working on a website where we need to present a large amount of information in a hierarchical list. The list will have several thousand elements so it seems…
A reader asked me to comment on the predictions/musings by Marty Nemko at his blog. I had never heard of him before, but he's some kind of coach, radio host…
I stumbled upon another physicist venturing into someone else's field and getting things right. I quote from Pinker's Better Angels: In the early 1950s, two eminent British scholars reflected on…
In a not so well written paper (that we should update to be better presented), John Fuerst and I previously used two hypotheses using the National Longitudinal Survey of Freshman…
I noticed that Facebook wasn't showing any preview images for a website I maintain (http://teknologipartiet.dk/, my pet grey tribe political party/think tank). It turns out that Facebook wants a metatag…
Installing R packages on Windows is easy: you run the install code and it always works. Not so on Linux! Here one sometimes has to install them thru apt-get (or…
I'm posting this here so I can find it more easily because this is at least the third time I had to google the issue to retrace my own steps…
I was recently asked to suggest introductory reviewing materials for bright laymen (see also my previous post). I ended up giving the following recommendations: - Intelligence: A very short introduction…