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Friday Squid Blogging: How Squid Survived Extinction Events_SCHNEIER:8B8B384B81B2C1B19EFB26F692878EB8

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Science news:

> Scientists have finally cracked a long-standing mystery about squid and cuttlefish evolution by analyzing newly sequenced genomes alongside global datasets. The research reveals that these bizarre, intelligent creatures likely originated deep in the ocean over 100 million years ago, surviving mass extinction events by retreating into oxygen-rich deep-sea refuges. For millions of years, their evolution barely changed--until a dramatic post-extinction boom sparked rapid diversification as they moved into new shallow-water habitats.

As usual, you can also use this squid post to talk about the security stories in the news that I haven't covered.

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ID SCHNEIER:8B8B384B81B2C1B19EFB26F692878EB8
Published Apr 24, 2026 at 21:03

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