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Smell-based cues signal a rat’s appetite more reliably than its begging gestures and squeaks.(Unsplash)

Smelling a rat: Rodents cooperate and sniff out other rats in need

By Agence France-Presse | Washington
UPDATED ON MAR 26, 2020 01:05 PM IST
Smell-based cues signal a rat’s appetite more reliably than its begging gestures and squeaks.
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