Fluid dynamics may help drones capture a dolphin’s breath in midair
Droplets of expelled mucus could reveal levels of the stress hormone cortisol
![dolphin](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/12/120419_ec_dolphinspray_feat.jpg?fit=1028%2C579&ssl=1)
Researchers analyzed the fluid dynamics of the plume expelled when an Atlantic bottlenose dolphin exhales. Drones could monitor dolphins’ health by capturing some of the spray.
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