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 ...

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 ...