A: Because they research everything.
From the looks of it, your dad won
He was looking for a porpoise. (thought this one up but I doubt I was the first one that did.)
The same thing he told her the first time!
dijon-vu mustard... (Sorry)
He had a very esteemed colleague.
Because if you can't Helium or Curium , You'd Barium!
A pedo file