Related Stories. Xenotransplants too risky, says expert, Science Online, 19 Mar 2004; Pig transplants may be safer than thought, Science Online, 03 Sep 2004; Pig cell transplant decision delayed ...

While many hail the ruling, critics fear mutant creatures may result. Sept. 13, 2007 — -- Last week, Britain made a landmark decision that allows researchers to use animal eggs in the ...

Bioartificial livers may be the next solution for organ donor shortages. Nov. 1, 2010— -- BOSTON -- Researchers reported here that they have pared down animal livers to their basic structure ...

The nasal cells appear to have prompted the spinal nerves to repair themselves. Professor Raisman achieved this with rats in the late 1990s, but this is his greatest success.