May 27, 2009: Kepler: Ewww! Astronauts on the International Space Station had to drink their own recycled urine! Will: Where do you think our water comes from? A well? Kepler: Ewww!! KHAN: Ha! Ha! Ha! It's times like these that I'm glad I'm not human. Will: Pretty big talk from someone with a recycled hard drive. KHAN: Ewww!! Unclean! Unclean!!
May 29, 2009: Kepler: If you're on the International Space Station and drinking your own urine, are you American or Russian? Will: I don't know. Kepler: Neither! European (you're a peein')! Ha! Ha! Ha! Get it? Will: Don't mistake my lack of laughter for a lack of understanding. Kepler: Whassa matter? Don't like international humor?