"Hey, that Japan Air may know it but they have fuel spewing out the leftward wing quite a bit, " the pilot of another plane told the control tower, which radioed the JAL crew and halted takeoff.

CNN: Airline: Dreamliner fuel leak due to an open valve

The curious bit is that many of the tattooed have right-wing tendencies too.

ECONOMIST: Tattoos in Japan

While the project might sound a little bit gruesome, the research helped gather data to support the hypothesis that wing flapping is often used to deter rivals.

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