On Friday, a solar plasma the size of a couple of Earths was unleashed from the Sun and the amazing display was captured by one of the NASA's sun observing spacecrafts.
The Taj Mahal is a white marble mausoleum located in India. It was built by Mughal emperor Shah Jahan in memory of his third wife. Find out if you are familiar with some other facts of this world wonder.
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.
If you use a lot of different usernames and passwords it is difficult to remember all of them. KeePass is an interesting solution where all your passwords are kept in one safe place and protected with one password.
In the 21st century historians have increasingly portrayed the decade as a "pivot of change" in world history focusing especially on the political and economic upheavals. Check your 70s knowledge.