Do adult periodical cicadas actually feed on anything?

Every so often, cicadas emerge above ground and blanket the Earth with their exoskeletons while emitting a high-pitched chirp from sunrise to sunset. The periodical cicadas in the genus Magicicada come every 13 or 17 years, ...

Fossil spines reveal deep sea's past

Right at the bottom of the deep sea, the first very simple forms of life on Earth probably emerged a long time ago. Today, the deep sea is known for its bizarre fauna. Intensive research is being conducted into how the number ...

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