ANIMAL NEWS -
Ants change jobs as they get older
That's understandable. New study shows that young ants are tasked with nursing the queen, older ones work as cleaning ladies, and the oldest of them, being expendable, are sent outside to forage for food.
Pictures and story here: http://www.dailymail.co.uk/sciencetech/article-2311688/ANTS-change-job-grow-older-scientists-discover.html
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