Giant seagrass, called 'Posidonia oceanic,' likely at least 100K years old
(NEWSER) - The 43,000-year-old Tasmanian plant once identified as the planet's oldest living thing turns out to be a relative youngin'. At up to 200,000 years old, patches of giant seagrass in the Mediterranean have taken the top slot. Australian scientists sequenced the DNA of the Posidonia oceanic to find that it is between 12,000 years and 200,000 years old, and most likely at least 100,000 years old. Their report, published in PLos ONE , reviewed 40 underwater meadows throughout the Mediterranean. More»