Daylight saving was first introduced by European countries during World War I, with much of the U.S. joining the party in 1918. The idea was that more hours of daylight would "conserve coal for the war effort.
Nature is everything around us, we are nature and we should be doing
everything in our power to preserve it. Now let's learn about nature in Italian language.
TinEye is a great reverse image search online service, that can tell you where an image came from, find different sizes of the image and you can find out if someone is using your image without your permission.
You made an Facebook app for a Facebook page, but it doesn't seem to appear among the apps on that page. No biggie, let me show you how to connect a Facebook app with a Facebook fan page.
You don't need Photoshop or some other advanced piece of software to resize a large number of images at once. You can use Microsoft Office Picture Manager which is part of the Office suite.
Galileo Galilei often known as Galileo, was a physicist, mathematician, astronomer, and philosopher who played a major role in the Scientific Revolution. Check your general knowledge.