Blowflies use drool to keep their cool
Dangle, slurp, repeat may help the insects protect their brains from overheating
![Blowfly](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/01/010518_SM_blowfly_main.jpg?fit=860%2C460&ssl=1)
UNUSUALLY COOL If this blowfly starts overheating, it has a drool, reswallow, repeat trick for reducing its temperature.
Muhammad Mahdi Karim