The robots, that move when water is pumped in and out of them, are made entirely of hydrogel - a tough, rubbery, nearly transparent materia...

New York, Oct 18 (IANS) Researchers from Massachusetts Institute of Technology (MIT) and Harvard Medical School have developed a biocompati...

Articular cartilage is the tissue on the ends of bones where they meet at joints in the body - including in the knees, shoulders and hips.