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Jan 2023
54m 11s

Fork-headed trilobite, echidnas blow sno...

CBC
About this episode
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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Quirks & Quarks will return in September
We're on hiatus for the summer, but we'll return with new episodes on September 6. In the meantime visit our website at cbc.ca/quirks to browse our archives. Have a great summer! 
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