Call it survival of the slowest: Extraordinarily old, bizarrely low-key bacteria have been found in sediments 100 feet below the sea floor of the Pacific Ocean, far removed from sunlight, fresh nutrients and what humans would consider anything interesting to do.

Some of these organisms, scientists say, could be at least 1,000 years old. Or maybe millions of years.

A thousand years old would be trivial, compared to some trees and fungal masses. But if they are millions of years old, that would be another matter.  To read more, click here.