IELTS READING – The Secret Of Staying Young S21AT1

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IELTS READING S21ACT1

The Secret Of Staying Young 

Pheidole dentata, a native ant of the south-eastern U.S., isn’t immortal. But scientists have found that it doesn’t seem to showany signs of aging. Old worker ants can do everything just as well as the youngsters, and their brains appear just as sharp. ‘We get a picture that these ants really don’t decline,’ says Ysabel Giraldo, who studied the ants for her doctoral thesis at Boston University.

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