Fish are vertebrates, which are adapted to life in the aquatic environment. Fish are the most numerous group of vertebrates. The number of different species of fish is almost as much as all other vertebrates together.
Some installations or settings changes require you to restart your computer. In most cases you don't need to actually reboot it, you only need to restart the explorer.exe process.
Virtual Hard Disk or VHD acts like a normal hard drive built into your computer. Cool thing is, it comes in a form of a single file so you can make a copy of it and virtually attach it to any other Windows computer.
Meet Daniel Tammet, math genius who can recite 22,514 digits of Pi, perform difficult calculations one would usually need a computer to resolve, speak 10 different languages and also happen to be autistic.
Spectacular video made of hundreds of stitched together images taken by the Mars Express spacecraft showing the Red Planet in three dimensions like never before.