Meat-eaters smell funny

If you are a small animal, it is useful to know whether there is anything around that might want to eat you. To study this, scientists have analysed urine samples from a variety of zoo inhabitants, including lions and bears, and discovered how rodents react to the smell.

The team identified a chemical found in high concentrations in the urine of carnivores that makes mice and rats run for cover. Handy if you’re a mouse. Learn more here.

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