That they're about to break up Status: Kitchen Science. TV comedy Frasier.

Some paddle fins have channels and grooves claimed to improve power and efficiency though it has been shown that the desired effect does not usually occur. Underwater diving. So if Neil and Chris were willing to swallow that bit of their pride that they might have to sacrifice to take such a support role—mitigated no doubt by their designation as "special guests"—their bank accounts surely thanked them for it.

Deep Diving and Submarine Operations 6th ed. This is actually two rumors rolled into one. Don't look for logic here, people.