Today's robots that fly, jump or roll around must refuel or recharge as does any gadget that runs out of energy.

NEW YORK — Facebook co-founder Mark Zuckerberg will retain an iron grip over the social network even after it becomes a public company. ? Facebook's filing for an initial public offering reveals that Zuckerberg, who launched the social network from his Harvard dormitory room when he was just 19, owns 28.2 percent of the shares in the company. ? At a valuation of $

NEW YORK — Facebook co-founder Mark Zuckerberg will retain an iron grip over the social network even after it becomes a public company. ? Facebook's filing for an initial public offering reveals that Zuckerberg, who launched the social network from his Harvard dormitory room when he was just 19, owns 28.2 percent of the shares in the company. ? At a valuation of $

A serious flaw in the iMessaging app for Apple's iOS 5 allows strangers to receive personal — and in some cases extremely private — messages not meant for them. ? The tech blog Gizmodo?got hold of a teenager's iPhone?that, after servicing at an Apple store, became “a portal into another man's private life.” The phone began receiving every incoming and outgoing message meant for an Apple store technician.

How to unlock environmental intelligence in our daily lives.

Facebook's 800 million users have made it a household name but some holdouts — technophobes and privacy zealots among them — are still refusing to join the social networking party. ? Facebook — founded in 2004 by Mark Zuckerberg, then a 19-year-old Harvard student — filed documents with the Security and Exchange Co

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The best environmental photos of the week.

From the dark-matter web of the universe to the rainbow of a mouse's retina, a new trove of award-winning science images reveals little-seen worlds. ? The winners of the 2011 International Science and Engineering Visualization Challenge, announced today (Feb. 2) turn dry data into vivid imagery.

These designs made by Rodrigo Alonso Schramm are an interesting way to keep e-waste out of landfills and in your livingroom.