The SciencesJuly 6, 2001
Genetic Expression in Clones Differs from That in Donor Animals
Stem cells
HealthJune 7, 2001
Study Suggests Heart Muscle Cells Regenerate After Heart Attack
The Young American Scientists Issue—Read Now
HealthMay 23, 2001
'Chic' Switch Turns Stem Cells into Neurons
May 4, 2001
Scientists Find 'Wild Card' Stem Cells in Bone Marrow
April 30, 2001
Cloning Techniques Create Embryonic Stem Cells
November 6, 2000
Reversing Paralysis with Stem Cells
HealthSeptember 27, 2000
Hope for Restoring Sight
TechnologySeptember 14, 2000
Stem Cell Therapy
The SciencesJuly 17, 2000
Lens Crafters in the Lab
Two teams have found a way to bioengineer the cornea--the thin layer of cells covering the eye like a pane of glass
The SciencesOctober 21, 1999
When did eukaryotic cells (cells with nuclei and other internal organelles) first evolve? What do we know about how they evolved from earlier life-forms?
The SciencesJune 21, 1999
Dolly's Legacy
Nuclear transfer--used to clone Dolly and now owned by Geron--may help scientists develop more potent stem-cell therapies
The SciencesMay 17, 1999
New Lease on Livers
Animal experiments suggest that bone marrow might be used to rebuild damaged organs