It can be stimulating to understand how long life has existed on the planet given that humans are a species with ever-shrinking attention spans. Try to wrap your mind around this, however: Researchers have found DNA fragments that seem to be 1 million years old.
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Antarctica |
These organic material fragments, that were found beneath the Scotia Sea floor, north of the Antarctic, can be immensely beneficial in rebuilding the history of the region by revealing what has lived there over various periods of time.
The recovered samples, which have been effective and comprehensive as sedaDNA, or sedimentary
ancient DNA, are expected to be beneficial in the ongoing efforts to comprehend how climate change might affect Antarctica in the future.
According to marine researcher Linda Armbrecht of the University of Tasmania in Australia, "This constitutes by far the oldest documented aquatic sedaDNA to date."
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By Zephyris - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=15027555 |
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