What did the scientist say when he found 2 isotopes of helium?
What do you do with a sick chemist? You try to helium, and then you try to curium, but if all else fails, you gotta barium.
Helium walks into a bar. The bartender says, "We don't serve noble gases here."
Helium doesn't react.
What do doctors do to injured elements? They helium.
Books on helium are so hard to put down.