Ants

Question: where are all these ants when I can't see them? 
Answer: I don't know. 


Question: how do these ants know when I have dropped an apple core into the thirteen-gallon, Rubbermaid liner-lock trash can in my office?
Answer: I don't know. 


Question: how to I prevent this problem in the future?
Answer: put apple core in zip-lock bag before disposing. Ah, the life of ease here in paradise.