MADRID, Spain (PNN) - January 18, 2015 - Scientists believe at least two as-yet undiscovered planets as big as Earth or larger may be hiding in the outer fringes of the Solar system.

The secret worlds are thought to exist beyond the orbits of Neptune, the furthest true planet from the Sun, and the even more distant tiny "dwarf planet" Pluto.

BERLIN, Germany (PNN) - January 14, 2015 - SnoopSnitch is an app for Android devices that analyses your mobile radio traffic to tell if someone is listening in on your phone conversations or tracking your location. Unlike standard antivirus apps, which are designed to combat software intrusions or steal personal info, SnoopSnitch picks up on things like fake mobile base stations or SS7 exploits. As such, it's probably ideally suited to evading surveillance from local government agencies.

LAS VEGAS, Nevada (PNN) - January 14, 2015 - It sounds like the stuff of a James Bond flick or something described in documents leaked by former NSA subcontractor Edward Snowden. In fact, this highly stealthy keystroke logger can be built by someone with only slightly above-average technical skills for as little as $10. Called KeySweeper, it's a device disguised as a functioning USB wall charger that sniffs, decrypts, logs, and transmits all input typed into a Microsoft wireless keyboard.

LAS VEGAS, Nevada ({PNN) - January 10, 2015 - Over the last decade, millions of homes worldwide have been outfitted with smart meters. Power utility companies continue to force smart meters upon the population under the argument that they allow a more accurate and concise measurement of home energy usage, and give the resident and utility provider more visibility of and control over power consumption. Yet, concerns continue to grow about the potential dangers from the electro-magnetic radiation given off by these devices.