What role does the sense of smell play in choosing a partner?

Animals and humans follow their noses when choosing a partner. In animals — sticklebacks, for example — the sense of smell helps to produce more resistant offspring. Author: ZDF/Terra Xplore/Labo M/Jochen Ruderer/Patryk Puchalski/Gideon Becker/Maximilian Mohr Translation and dubbing: alugha Click here to watch more videos: https://alugha.com/TerraX

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