(Credit:heckepics/iStock via Getty Images) The blow fly's antenna is a specialized organ that helps the fly detect food quicker than its competitors. How is it that a fly always seems to be buzzing around your food moments after you sit down for an outdoor meal? The answer is practice. Or, more specifically: evolution. Flies and other insects have been on a multimillion-year journey of evolution, honing their ability to detect food. Being able to zero in on nutritious meals is a matter of life and death.

https://www.discovermagazine.com/planet-earth/how-do-flies-find-every-stinky-garbage-dumpster-a-biologist-explains-their

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