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At first glance, German-based start-up Changers offers nothing new. Solar powered chargers have been on the market before but Changers offers more than a green way to charge up your electronic devices. It wants you and your friends to join the greenest social network on the internet to date.

A study has found that teenagers are more likely to be aggressive and violent if they consume more than five cans of soda a week.

NASA's MESSENGER spacecraft has observed strange hollows with reflective walls and peculiar depressions that range in size from 60 feet to over a mile across and 60 to 120 feet deep. What's even more peculiar is that NASA scientists are stumped as to how these hollows got there.

Jeff Robbin, the man who worked on Apple's iconic iPod and changed the music industry with Apple's online music store and player iTunes, is now in charge of developing Apple's integrated television set.

NASA's Spritzer space telescope has detected signs of a comet storm in a nearby solar system that is similar to how our own solar system developed several billion years ago.

Walter Isaacson's biography on the late Apple co-founder Steve Jobs is an unstinting view of what many claim to be the visionary of our age. "Steve Jobs" is a rare view of a deeply private man who inspired other and drove Apple to change the world.

The shoes which have built-in GPS will be shipped to U.S retail stores according to manufacturer GTX Corp with an initial batch of 3,000 pairs to the footwear firm Aetrex Worldwide. The shoes will sell for $300 a pair and will have a built-in GPS located in the heels of the walking shoes. Buyers will need to set up the monitoring service to keep track of wandering seniors suffering from dementia.

Apple very quietly upgraded its entire MacBook Pro lineup with faster processors and better internal storage but keeping previous prices. The upgrades come just in time to capitalize on the holiday buying season.

On the surface Foldit doesn't seem to be any different from any video game. It has cute graphics and a peppy sound. Players have to figure out a puzzle before moving on to another level. However Foldit isn't just some puzzle game, it actually masquerades as a scientific tool that helps fight real life problems, namely viruses.

Now stepping up as the latest frontrunners in Google's ongoing war with Apple, Motorola's Droid Razr and Samsung's Galaxy Nexus are both high end smartphones that are both capable of taking on Apple's latest iPhone 4s. While both devices are being compared to the iPhone 4s, they are still competing against one another in the smartphone market. How exactly do they stack up against each other?

Nokia is expected to show the fruit of its partnership with Windows later this week by showcasing three new smartphones running on the Windows 7 OS.

Siri, Apple's virtual assistant is one of the most advertised features of the iPhone 4s. A voice controlled virtual assistant that can actually respond to the user, Siri is a step ahead for artificial intelligence and for Apple. Siri has also caused quite a furor with her humorous answers to user questions and the matter of her voice. People have also wondered why Siri is so... well female.

Government officials of Kashiwa city in Chiba Prefecture said Saturday that they have detected a high level concentration of radioactive cesium in the soil if city-owned land. About 276,000 Becquerels of cesium per kilogram of soil was found below the surface following the detection of an abnormal level of airborne radiation earlier in the week.

The mystery of how water was able to survive Earth's fiery past has always baffled scientists. Earth had been a very hot planet and any water would have simply evaporated. A European team of astronomers may have the answer to the age-old riddle with a discovery of a reservoir of water vapor in space.

The end of the world came as Harold Camping predicted it would -- a very subtle apocalypse that many on the planet failed to notice. When the end of the world failed to happen on Camping's predicted date of May 21, he set another date in October for the end of the world.

Leaked pictures have surfaced on the internet of a prototype Nokia Windows Phone called the Nokia Sabre which is set to launch next week.

In two separate interviews Google Android chief Andy Rubin and Microsoft Windows Phone President Andy Lees both had negative things to say about Apple's digital assistant Siri.

Nothing rallies scientists together more than the possibility that their carefully ordered universe will undergo a shift in reality. Physicists from around the world are now presenting theories that debunk the discovery of faster than light neutrinos.

Holograms. Perhaps the Holy Grail in every geek's fantasy is having his own functioning holodeck ala Star Trek. Now Microsoft is about to fulfill that fantasy with their new research project the 3D 'HoloDesk' and better yet there's video proof of concept. Yes, we're about to enter science fiction.

Google released its updated Android Ice Cream Sandwich OS this week and what an update it is. Android 4.0 is bigger and better than its previous version and could rival the iPhone's iOS 5 in terms of new innovative functions. With such futuristic features like unlocking your phone just by looking at it, the Android 4.0 OS is a giant leap forward for Android phones.

With Apple and Android going full steam ahead with their new flagship smartphones, Microsoft is hoping its new Nokia Windows Phones would turn the smartphone market to Microsoft and Nokia's favor.

Oxygen-breathing bacteria may have lived on land 100 million years sooner than previously thought.

Apple released the iPhone 4s last week and while consumers have been very receptive to the new iPhone, with 4 million units sold over the weekend, there are already rumblings about the next generation iPhone 5.

Mark your calendars. October 21 is the end of the world, at least according to U.S. Christian broadcaster Harold Camping

The battle for smartphone supremacy has gotten increasingly tough of late with such giants like Apple and Samsung competing to get the most of the mobile phone market. Apple's iPhone 4s, released last week and already setting sales records, has overtaken its Android competitors and is now the reigning champion. But that doesn't mean that Apple can rest easy as a new batch of Android smartphones is coming to the market.

Looks like the Space Race isn't over after all. The United States may have put the first man on the moon by Russian scientists and cosmonauts are now looking to start the first lunar base.

Sony finally confirmed that its next generation handheld the PlayStation Vita will be coming to gamers in the U.S., Europe, Canada and Australia on February 22, 2012.

Hewlett Packard has released an update to its HP TouchPad tablet proving that there's some life left in the now outmoded tablet line.

The next big change in technology could just be right around the corner. The applications of the touchscreen have yet to be explored but scientists are already looking at the next step in touchscreen technology: a device that could make any surface into an interactive touchscreen.