World Feb 10 Ancient ceramics show skill sharing, social networking in pre-Columbian era Studying ancient ceramics shows that social networking and skill-sharing helped pre-Columbian civilizations survive longer. By Shehryar Nabi
Science May 09 Making rocket parts in a giant microwave NASA rockets kick out an inferno that melts most metals. How do you make a material that won't melt at 3,000 degrees Fahrenheit? The answer may be in microwaves. By Rebecca Jacobson, Inside Energy