cockroach

ben

Two facts about a cockroach:

1. A fried cultured cockroach is enjoyed as an exotic delicacy in Asia and in other parts of the world.

2. Cockroach's tissue is a good choice to fend off dangerous  bacterial infections.

Cockroaches are still people's nightmares. They are still dirty, ugly, and unpleasant animal or insect to many. 

There are some things which are ugly to others but beneficial to majority.