Medicine: Tranquil But Alert

The European lynx and the Australian dingo are usually among the least tractable animals when captured and put behind bars. Equally ready to use fang and claw are baboons, and the rhesus monkeys on which so much medical research depends. But in the San Diego Zoo, a lynx that had bloodied its nose in a savage dash against the side of its cage was treated with a new tranquilizing drug mixed in its food, and was soon gamboling like an alley kitten. An attendant put his fingers through the wire of a tranquilized dingo's...

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