Prevalence Of Aids / HIV


I saw an editorial piece last weekend on The Guardian where the author asked the question: If condoms are OK for Zika, why not Aids, Pope Francis? I thought it's true that the HIV/AIDS infection is rarely mentioned in the news nowadays. There has been huge progress in HIV/AIDS treatments since the time I was a medical student, but the prevalence of HIV (the percentage of a population that is affected by the virus at a given time) is still bad, particularly in Sub-Saharan Africa:

Top Selling Musical Artists By Country And Gender


European Passenger Train Percentage


Last December I had a slight problem with my ear and unfortunately I wasn't able to fly for a little while. I was glad there was an amazing train system in Europe, so I had an alternative to travel from and to Berlin. Here is a chart with the percentage of train transportation by country in Europe, coming from a dataset published by the European Stats office:

I have been lucky enough to use the trains in all those countries.

Ireland Population


Map of Ireland with population by county (including NI as well). Dublin is by far the most populated county.

Worldwide Earthquake Statistics


Last Sunday I was reading the breaking news about a cliff that had collapsed into the sea on New Zealand’s South Island following a severe magnitude 5.9 earthquake that happened near Christchurch. I remembered when I visited New Zealand last year that I heard the nickname of this country is the "Shaky Isles" for its constant seismic activity. The two islands that compose this country lie on the margin of two colliding tectonic plates, making them earthquake prone.

The usgs.gov website has an interesting section with statistics about Earthquakes worldwide. Please find the following heatmap table with the data they published there:

There were two particularly deadly years: 2004 when a [tsunami hit many countries in the Indian Ocean](https://en.wikipedia.org/wiki/2004_Indian_Ocean_earthquake_and_tsunami), and 2010 when a huge earthquake happened in Léogâne, Haiti.

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