1. Has Roger Payne taken a particular interest in the humpback whale?
2. Did he visit Bermuda in 1967?
3. Did he encounter the animals then?
4. Did he meet Frank Watlington?
5. Did Payne use underwater microphones?
6. Were underwater microphones used for the United States Navy?
7. Do whales make sounds?
8. Did Watlington impact Payne's discoveries?
9. Can you hear whales sounds over long or short distances?
10. Did Payne release any proof of his discoveries?