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All Stories by Jude Coleman
Sea sponges spew slow-motion snot rockets to clear out their pores
Sea sponges rely on a sneezing technique to clear their pores. The mucus flushes out debris — and provides a snack for other marine life.
More than 9,000 tree species may be waiting to be discovered
Scientists estimated how many tree species are on Earth, an important step for forest conservation and protecting biodiversity.