Seven years ago, researchers at Stanford University started an ambitious experiment: They began growing miniature, simplified versions of the human brain from stem cells inside a lab, then later ...

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The tiny blobs of lab-grown human brain tissue were just specks, each measuring a few millimeters in diameter. Researchers at Stanford University made them by cultivating human stem cells into ...

Researchers at Stanford University have transplanted human neurons into rat brains, seen them mature into hybridized brain circuits and then used them to influence the rodents’ behavior. The work ...

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 ...

Researchers used artificial intelligence to teach rats how to move objects in virtual reality by simply thinking about where they want them to go. The result is an intriguing type of rat telekinesis ...

Human brain “organoids” wired themselves into rats’ nervous systems, influencing the animals’ sensations and behaviors. By Carl Zimmer Scientists have successfully transplanted clusters of human ...

Rats are incredibly nimble creatures. They can climb up curtains, jump down tall ledges, and scurry across complex terrain—say, your basement stacked with odd-shaped stuff—at mind-blowing speed.

Two independent research teams have successfully regenerated mouse brain circuits in mice using neurons grown from rat stem cells. Both studies, using interspecies blastocyst complementation to study ...