Marimo: Green balls on Australian beach, explained (VIDEO).

Strange, Living Green Balls Turn Up Overnight on Australian Beach (Video)

Strange, Living Green Balls Turn Up Overnight on Australian Beach (Video)

Slate in motion.
Oct. 3 2014 3:35 PM

Thousands of Green Balls Descend on Australian Beach

And they’re alive.

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The strange, squishy little balls apparently form when seaweed is knocked off rocks and into the ocean.