Smallest life on Earth: nano-scaled bacteria observed in Colorado groundwater (VIDEO).

Is This the Smallest Form of Life on Earth? (Video.)

Is This the Smallest Form of Life on Earth? (Video.)

Slate in motion.
March 11 2015 10:49 AM

Peering at One of the Smallest Life Forms on Earth

Found in Colorado groundwater.

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For perspective, you could fit about 150,000 of these tiny critters on the tip of a single human hair.