Researchers have demonstrated that a genetic switch for organ regeneration exists, after restoring damaged outer ears in mice ...

Human tissue resembling the brain’s cortex can be grown from stem cells in vitro.Transplanting this tissue into a developing rat cortex enables it to mature, integrate into neuronal circuits and ...

Scientists have devised a new model for studying disorders like autism spectrum disorder and ADHD. It uses clusters of human brain cells grown inside the brain of a rat.

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T he scientist flicked on a laser, filling the rat’s brain with blue light. The rodent, true to its past two weeks of training, scampered across its glass box to a tiny spout, where it was duly ...

Rat and human lives have long intersected, but there's relatively little research about them. Thanks to advances in genomics and paleoarcheology, a lot more study may be on the horizon.