The secret to sniffing out a safe supper

When mice smell the scent of food on the breath of their fellow mice, they use that experience to decide what's safe to eat in the future. Key in that learning process is the pairing of a particular odour with a chemical ingredient found in mouse breath, scientists knew. What they didn't know was how mice manage to sniff that connection out. According to a report published online on July 15th in Current Biology, a Cell Press publication, now they do...

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