I, for one, welcome our new Mice Overlords!

Scientists implant tiny human brains into mice

quote:

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Scientists at the Salk Institute implanted lentil-sized human brain organoids into the heads of mice, then closed it with a transparent window. The mice looked and behaved like ordinary mice, while supplying blood and nutrients to keep human brains developing for months.

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This is playing out like a Douglas Adams novel. Mice will become the most intelligent beings on Earth, Dolphins will be 2nd and Humans, 3rd.

It's only a matter of time until the Vogons show up to destroy Earth and make way for a hyperspace bypass.