PC Tools Spyware Doctor 6 is the latest version of the popular anti-spyware tool. The latest version ships with a host of new features including advanced support for finding and eliminating rootkit, Intelli-scan for the proactive search of spyware and SiteGuard, which helps to prevent you from accessing malicious websites.
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Some parts of Atacama have not received rainfall for 500 years - but a sudden deluge of water upset the Desert's delicate biological balance
Spitzer Space Telescope could not spot Oumuamua, suggesting that it is actually pretty small
Greenland crater one of the 25 largest impact craters on Earth
This long-sought progenitor star was identified in an image captured by Hubble in 2007