How to count bees... and know if there are enough

January 4 2018 - 5:00am
University of Sydney researchers Patsavee Utaippanon and Dr Michael Holmes deploying the balloon.
University of Sydney researchers Patsavee Utaippanon and Dr Michael Holmes deploying the balloon.

PHEROMONE-soaked ‘dummy queens’ suspended in a net below a helium-filled weather-balloon is the latest tool being used by researchers to better understand the number of honey bee colonies in an area.  

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