Unusual, versatile cells hold the key to regrowing lost tissues.

Symptoms of a concussion can last for less than a day or persist for weeks.

While hanging out with friends, Michelle Hackman noticed that many of them texted each other instead of just chatting amongst themselves. That made her curious: Might cell phones be affecting our social interactions — and maybe even our brains? Visit the new Science News for Kids website and read the full story: Pathways to research: Pursuing a passion

Building on inner passion is the best way to start a research project, according to Dave Marker, chairman of a judging panel for the Intel Science Talent Search. Theoretical projects exemplify these. Such projects are abstract, meaning that they use mathematics to understand the relationships between objects. Most of these projects investigate the physical world using known properties of chemistry (how molecules react with one another) and physics (how energy and matter interact). Here we focus on the pursuits of some teens who found a passion in such theoretical research. Visit ...