Windows 7 Release Candidate (RC) 32-bit and 64-bit editions are now available to download from the Microsoft website. The won't time out until June the 1st 2010, so you can use Windows 7 for over a year, before you decide whether it's worth upgrading or not. Although this is still only a Release Candidate, it should be feature complete, which means that only small bug fixes and improvements will be made between now and the final release, slated for later this year.
Windows 7 RC 32-bit and 64-bit edition links.
Four glaciers located west of massive Totten glacier have lost almost three metres of ice in height since 2008
Ceres, located in the asteroid belt, has a carbonaceous-rich upper crust, SwRI study claims
The spacecraft found traces of hydrogen and oxygen molecules, known as hydroxyls, embedded in the rocky surface of the asteroid
The skeleton was unearthed more than 20 years ago in South Africa