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Cats rely heavily on scent to learn about one another, often gathering information from urine and other odor marks left behind in their surroundings. These chemical traces can continue communicating long after the animal that produced them has moved on.
That creates a puzzle. Many odor molecules evaporate, break down, or change with time. If a scent is constantly evolving, how can another animal still determine who originally left it?
Researchers from J...
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