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Sea sponge is world's largest

Scientists exploring off the coast of Hawaii have discovered the world's largest recorded sea sponge, NPR reports. A remote-controlled submersible spotted the minivan-sized sponge last year, according to a study published this week in the journal Marine Biodiversity. The sponge is roughly 3.5 meters long and nearly 2 meters wide. Though dating sponges is difficult, other massive sponges found have been estimated to be thousands of years old.

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