SnotBot

“The SnotBot is a small drone that can hover over a whale and then collect samples of snot, or whale blow [which] can reveal information about the whale’s DNA, metabolism, health, hormones and stress. …
This kind of non-invasive research is in stark contrast to the whale research undertaken by Japan, whose vessels have just left port once again to kill whales so that they can be dissected and supposedly studied for scientific reasons.” http://uk.whales.org/news/2017/06/whale-snot-secrets-revealed-by-flying-robot

Whaling also blows.

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