WEEK IN PHOTOS: Baby Kangaroo, High-Tech Ants, More

WEEK IN PHOTOS: Baby Kangaroo, High-Tech Ants, More
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Bristol, United Kingdom, April 21, 2009--Ants carry radio transmitters to help scientists study how the insects chose nesting sites.

A study based on the experiments, published this week in the journal Proceedings of the Royal Society B, showed that rock ants will go far out of their way to move to a better home--chosen based on the personal preferences of a few trusted scouts.
— Image courtesy University of Bristol/PA via AP
 
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