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The Oldest Stuff on (and Off) Earth!

By Becky Ferreira Aug 5, 2013

7 of 17

Posidonia Oceanic

The Mediterranean Sea has borne witness to a lot of drama over the last 100,000 years, and Posidonia oceanic has had a front row seat to all of it. In 2012, a group of Australian scientists sequenced the genes of this seagrass species and found that it was at least 100,000-years-old, and possibly as old as 200,000! This makes the humble aqua-turf by far the oldest living thing on Earth.

Tags: science, school, slideshows, space, nasa, earth, oldest

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About the Author
Becky Ferreira

Becky Ferreira is a writer, performer, and raptor based in New York.

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