Stem Cell The discovery, made by Dr. James A. Thomson, a biologist at the University of Wisconsin, Madison, offers great promise for new ways of treating disease. ES cells, which are derived from four-day-old embryos, can theoretically differentiate into virtually any type of human cell, from blo...

Ever since human stem cells were first isolated, research on stem cells has received much public attention, both because of its extraordinary promise and because of relevant legal and ethical issues. Stem cells are self-renewing, unspecialized cells that can give rise to multiple types all of spec...

Stem-cell research is a miraculous medical breakthrough because it holds the cure for many serious illnesses. However, there is a great deal of controversy involving this topic. The sources of these cells scientists are most interested in are spare embryos created in fertility clinics. These embryos...

Stem cells are a hot topic for the media today because our understanding of them has potential for incredible scientific advances in the field of biotechnology, yet we struggle because there are questions of morality raised by the methods by which they might be used. While in centuries pa...

Technology seemingly never stops growing and changing. And why should it? Just as every human being changes with experience and age, so then do our creations. Unfortunately, it is in our collective nature as humans to be afraid of change. Change inevitably raises moral questions within us, remo...

Alzheimer's disease typically afflicts patients during the later years of their lives, and is most commonly associated with a general loss of cognitive function. For example, there is often progressive memory loss and a general decline in the patient's ability to reason, solve problems, an...