TUCSON, Ariz., Sept.

A University of Granada research group composed of professors Antonio Campos and Miguel Alaminos (histologists), María del Mar Pérez, Ana Ionescu and Juan de la Cruz Cardona (opticians) and the ophthalmologist Miguel González Andrades, University Hospital San Cecilio, Granada, have made the first bioartificial organ in Spain.

Researchers at Brown University and Women & Infants Hospital have invented the first artificial human ovary, an advance that provides a potentially powerful new means for conducting fertility research and could also yield infertility treatments for cancer patients.

If you have hay fever, headaches or a cold, it's only a short way to the nearest chemist. The drugs, on the other hand, can take eight to ten years to develop.

A new study suggests that adult bone marrow stem cells can be used in the construction of artificial skin. The findings mark an advancement in wound healing and may be used to pioneer a method of organ reconstruction.