Miscellaneous ramblings about science-related matters that matter to me (all blog posts that have been tagged with the keyword "science").
Northern lights seem to be normal these days in Helsinki, Finland. The frequency and visibility of the Northern lights are directly correlated with the 11-year solar cycle.
As you can clearly see from these statistics, the smallpox vaccination did not work: It did not end the frequent epidemics that swept through Sweden until about 100 years later!
Hooray, I am finally boostered! I did not mind what I would get, but ended up for the 3rd time getting the BioNTech/Pfizer mRNA vaccine.