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Imprinting is a popularly known phenomenon, wherein certain animals and birds become fixated on sights and smells they see immediately after being born. In ducklings, this can be the first moving object, usually the mother duck. In migrating fish like salmon and trout, it is the smells they knew as neonates that guides them back to their home river as adults. How does this happen?

Source: “Imprinting” Certain Smells During Infancy Change Adult Behavior | Technology Networks

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Random sensory quotes

Because we can’t escape our ancient hunger to live close to nature, we encircle the house with lawns and gardens, install picture windows, adopt pets and Boston ferns, and scent everything that touches our lives.

— Diane Ackerman