Biologists have used a variety of drugs to elicit sneezes in freshwater sponges and observed the process using fluorescent dye. Their efforts focused on the sponge's osculum, which controls water ...

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 ...

Elucidation of macroevolutionary transitions between animal body plans remains to be a major challenge in evolutionary biology 1,2,3,4, additionally complicated by disputable branching order of ...