Dog poop, dead rats, and maggots: this study’s got it all!

Choices, choices. We all make them, and some are more fun than others. It turns out that flies also make choices, and the choices they make are influenced by their current situations. Take this (disgusting) experiment: here, scientists had green bottle flies choose which scent to follow. Either the flies could follow the delicious scent of dog poop (a yummy treat, at least to these flies), or they could choose to follow the odor of a dead rat, the perfect place to lay eggs (blue bottle flies

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