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A drone flying through the exhalation from a whale's blow hole.
NEAq/WHOI, NMFS/NOAA Permit #21371
How do you give a whale a health checkup? Scientists have been collecting respiratory droplets from North Atlantic right whales, using petri-dish-carrying drones flying above their blowholes.
The Point
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Unraveling immunity series image.
Photo by Samara Heisz / iStock, illustration by GBH