Fork-headed trilobite, echidnas blow snot bubbles, Perseverance delivery drop-off, farming fish lose their fertilizer and inoculation against misinformation.
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An ancient sea creature sported a massive fork on its head — what for?; Echidnas blow snot bubbles to keep cool under the Australian sun; The Mars Perseverance rover is caching samples for return to Earth; Farming fish lose their fertilizer to invasive rats; How to fight an infodemic with cognitive vaccines.
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