Anthropology

... second language? Sadly, the misuse of words that may sound similar, but, in fact, have totally different meanings, is far too common among people who should know better, namely, journalists.
One would HOME in on ancient underground aqueducts. The proper word in this context is derived from the name of the homing pigeon, which can find its home from great distances. There are also HOMING devices, and HOMING missiles. One hones a blade, not an aqueduct.
It is incumbent upon those who earn their living using words, to make an effort to use the correct words in the appropriate context. We'll address the abysmal state of punctuation another time.
Two demerits for laziness, Timmy.

You're welcome.