You might be tempted to say “gesundheit,” but the sea creature’s snot helps feed other marine organisms. By Sam Jones Sneezing is far from a uniquely human behavior. Maybe you’ve seen your dog or cat ...

Sponges rely on water currents to carry nutritious phytoplankton and bacteria into their orbit since they’re attached to the seafloor.

The next time you spot a sea sponge, say “gesundheit!” Some sponges regularly “sneeze” to clear debris from their porous bodies. It’s “like someone with a runny nose,” says team member Sally Leys, an ...