The etymology of an epidemic.
Behind the magical tale is a deep layer of linguistic meaning.
Ladybirds do not have tails because they have no backbones.
If you see moths and their larvae near your clothes, it's a sign that it's time to wash all your clothes and air them out in the sun.
The word Squ-w has an innocent origin, but its use in English has long been derogatory and racist. Place names which use this word should be changed.
Some 18 elements have had placeholder names derived from the Latin to stop scientists fighting over what their discoveries should be called.
Understanding the meaning of the word science has changed over time, but the goals to produce and share knowledge remains the same.