Title: Richard Feynman.
Question: After the fifth quark was discovered, Feynman said what had to also exist?

Title: Bacteria.
Question: How does bacteria help to sustain life in hydrothermal vents and cold seeps?

Title: IPod.
Question: In what year did apple release the special U2 model of the iPod?

Title: LaserDisc.
Question:
Which company joined a 50/50 partnership with MCA in 1977?