Alien 1: It seems the earthlings won.
Alien 2: Did they? That board with a nail in it may have defeated us.
But the humans won't stop there. They'll make bigger boards
and bigger nails, and soon, they will make a board with a nail
so big, it will destroy them all!
[both aliens laugh evilly, for quite some time]
-- `The Monkey's Paw' in "Treehouse of Horror II"
Your Co-worker Could Be a Space Alien, Say Experts
. ..Here's How You Can Tell
Many Americans work side by side with space aliens who look human -- but you
can spot these visitors by looking for certain tip-offs, say experts....