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Word of the day: Freudensprünge (joy jumps). Rats make these happy jumps when they see other rats being tickled https://t.co/JBtDQ01Bmz
Early in human evolution, the brain had powerful abilities which we've now lost.
A lovely image here over at @eLife https://t.co/NXHvHYOU7g We were born too late to explore the earth, born too early to explore the galaxy, but born just in time to explore the brain.