Travel

"In other words, people should only be exposed to ionizing radiation for security screening purposes when a threat exists that can be detected and for which appropriate actions can be taken. In addition, exposures must be justified and optimized." more »

Southern Louisiana is one of only a few locations worldwide with the unique formations known as cheniers, or wooded sandy ridges; enter the Ring of Fire on Alaska's Marine Highway where you can explore 81 of America's 86 volcanoes. There are 'what to wear' and safety tips, too. more »

With graceful eyelashes, long flaxen hair and serene expression, the "Beauty of Xiaohe" seems to have just softly fallen to sleep — yet she last closed her eyes nearly 4,000 years ago. She was found in 2003, one of hundreds of spectacularly preserved mummies buried in China's vast Tarim Basin more »

Women reporters do a pretty good job of covering what it’s like to live in a war, not just die in one. Without female correspondents in war zones, the experiences of women there may be only a rumor. Women can cover the fighting just as well as men, depending on their courage more »