Inside Sponge Bob

Did you know that some types of sea sponges have little capsules of poison that grow on their surface to kill off competitors? Did you know that they mechanically draw in dirty seawater through their pores and leave it 90+ percent pure? Around 30 people came over a great talk given by marine biologist Ella Sieradzki of Tel Aviv University. Thank you Ella. And thank you co-founder Nurit Bar Shai for organizing the event.

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