This miniature device, shown next to a model brain, is known as the twisted string actuated forceps. It can grip and pull tissue, and is controlled entirely by external magnetic fields. (photo by Univ ...

Essity is unveiling the 'world’s first' tissue machine running entirely on geothermal steam at its Kawerau paper mill. Photo / Supplied The “world’s first” tissue machine operating ...

A fully functional immune system can distinguish healthy tissue from unwanted substances. If it detects an unwanted substance, it will mount an immune response — a complex attack to protect the ...