We'll Just Follow Him Up the Food Chain to the Bigger Fish That Are His Suppliers

Professor: Are you guys working or just following a stingray?
Student #1: Working!
Student #2: Um…
Student #3: Both.
Professor: Both?
Student #3: We’re using the stingray to randomly decide where to take our next sample. They eat invertebrates — it’s like a divining rod!

–Fergie Shoals, Florida

Overheard by: Justification is for the geeky