Young novice monks play with toy bubble guns during an event to celebrate Children's Day at the Chogye Temple in Seoul, South Korea, on Wednesday.
Airports in Ireland were shut for about eight hours on Tuesday as winds carried ash from the Icelandic volcano into flight paths. Though travel is now getting back to normal, meteorologists say summer winds could lead to more disruption at European airports.
Sales of Apple's iPad are strong. If they skyrocket, they may herald a faster-than-expected recovery.
If humans heated the earth, perhaps our technology can cool it, too. A look at the science of geoengineering and how it might be used to address global warming.
A visitor looks from outside the Danish pavilion at the Shanghai World Expo on April 25. The expo started trial operations on Tuesday with participation from about 70 percent of the pavillions, Xinhua reported. The Shanghai World Expo opens on May 1.
The Greece debt crisis should be a warning. History shows that unless this buildup of sovereign debt is tackled eventually by raising taxes and controlling spending, then there are only two outcomes: default or high inflation.
A Christian Science perspective.