An adult blood stem cell floats amid red blood cells in this stylized illustration. Red blood cells represent one of the many specialized cell types replenished by these stem cells. Scientists are revealing a more complex picture of the relationship between adult stem cells and the aging process.
Credit: Corbis
Found in: Biology
Teens take home science gold at Intel ISEF
One of the most abstract fields in math finds application in the 'real' world
Fine-tuning of technique used in other animals could enable personalized medicine
Simulation suggests long-term effect on sea level not as dire as some predictions
Coverage of the 2013 American Association for the Advancement of Science meeting
The Year in Science 2012
Three-part series on the scientific struggle to explain the conscious self
Tables of contents, columns and FAQs on SN Prime for iPad
Please alert Science News to any inappropriate posts by clicking the REPORT SPAM link within the post. Comments will be reviewed before posting.
You must register with Science News to add a comment. To log-in click here. To register as a new user, follow this link.