The researchers implanted microelectrode wires in the primary motor cortex (also known as M1) of a monkey's brain.

Other researchers have implanted fetal nerve cells and adrenal gland tissue into the brains of Parkinson's patients.

In a follow-up study, the researchers implanted tags in the cod that produced coded acoustic signals.

In experiments, researchers have implanted electrodes into patients' brains.

To better understand pallid sturgeon behavior, researchers have implanted GPS transmitters to track their movements and help identify possible spawning areas.

But when the researchers implanted lens tissue from the sighted variety into a cave-dweller embryo, a large eye with a distinct cornea, pupil and iris developed.

The Japanese researchers have implanted a ferromagnetic glass ceramic into the bone cavity close to the tumour site.

The researchers have implanted an experimental array in one of their monkeys that will eventually be rigged to move an animated arm on a computer screen.

The researchers implanted sensors in female ducks that recorded heart rate, pressure (for dive depth) and body angle.