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Scientists in California have successfully transplanted human brain cells into 3-day-old rats in an effort to study how the brain experiences various neurological conditions. Stanford University ...

Move over Stuart Little — there may be a new anthropomorphic pest in town. For the first time ever, scientists have managed to successfully transplant human brain tissue into the brains of newborn ...

When lab-grown clumps of human neurons are transplanted into newborn rats, they grow with the animals. The research raises some tricky ethical questions. Human neurons transplanted into a rat’s brain ...