It is important to bring your swollen lymph node behind the ear to the attention of your doctor. Here are some common causes of swollen lymph nodes behind the ear. Infections: Infections, such as fungal infection, bacteria in the mouth, and mononucleosis, can all contribute to swollen lymph nodes behind the ear.
Itâs estimated that up to 7,000 different languages are spoken around the world. 90% of these languages are used by less than 100,000 people. Over a million people converse in 150-200 languages and 46 languages have just a single speaker!
How many countries in the world have more than one official language? Official language: http://en.wikipedia.org/wiki/Off... EDIT: The same Wiki page now says, Of the world's countries, 178 have at least one official language.. Which didn't exist when I asked the question. And since Wikipedia doesn't show any source for this, I would like to see if there is a source on the topic.