Zoo air contains enough DNA to identify the animals inside

The air in a zoo is full of smells, from the fish used for feed to the manure from the grazing herbivores, but now we know it is also full of DNA from the animals living there. In the journal Current Biology on January 6th, ...

Zoo monkeys prefer traffic noise to natural sounds: study

They may be naturally suited to swinging in rainforests, but monkeys in a Finnish zoo have demonstrated a "significant" preference for traffic sounds instead of the noises of the jungle, researchers have found.

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