Guy walks into a bar with a duck on his head. The bartender looks up
and says "Where did you get that ape?" Guy says, "This isn't an ape,
it's a duck". Bartender says "I was TALKING to the duck".
Two hydrogen atoms walk into a bar.
One says, 'I think I've lost an electron.'
The other says 'Are you sure?'
The first says, 'Yes, I'm positive.'