MikeDF on Nostr: Lost history of Antarctica revealed in octopus DNA "Some 100,000 years ago, ...
Lost history of Antarctica revealed in octopus DNA
"Some 100,000 years ago, scientists believe Antarctica’s massive western ice sheet collapsed, temporarily opening waterways between a trio of seas surrounding the continent. New evidence for that scenario comes from a surprising source: octopus DNA.
The ice sheet’s collapse allowed long-separated populations of Turquet’s octopus (Pareledone turqueti) to interbreed for thousands of years; when the sheet reformed, the animals were isolated once more, a story that has been recorded in the sea creatures’ genes, researchers report today in Science. The work also bolsters concerns that a large rise in sea level may be in our planet’s near future."
https://www.science.org/content/article/lost-history-antarctica-revealed-octopus-dna
"Some 100,000 years ago, scientists believe Antarctica’s massive western ice sheet collapsed, temporarily opening waterways between a trio of seas surrounding the continent. New evidence for that scenario comes from a surprising source: octopus DNA.
The ice sheet’s collapse allowed long-separated populations of Turquet’s octopus (Pareledone turqueti) to interbreed for thousands of years; when the sheet reformed, the animals were isolated once more, a story that has been recorded in the sea creatures’ genes, researchers report today in Science. The work also bolsters concerns that a large rise in sea level may be in our planet’s near future."
https://www.science.org/content/article/lost-history-antarctica-revealed-octopus-dna