Cicadas

cyclic cicada

Once every 13 years

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The cycle of cicadas for 2004 is over - they will return in 2021

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The attack of the cicadas, now in the USA - why exactly every 17 years?/Aryeh Seter

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

Astronomical biological clocks

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