Stuart Fox

Since April, a steady string of reports have detailed sightings of a mysterious, unidentified UAV prowling the skies above Kandahar. Grainy, Loch-Ness-Monster-like photos revealed a flying-wing-type aircraft with stealth features.

Now, the French blog Secret Defense has published the clearest photos yet of the secret plane, and the mystery has only deepened.

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In 1985, scientists from the British Antarctic Survey found a giant hole in the ozone layer of Earth's atmosphere over the South Pole. This discovery prompted a largely successful international effort to ban CFCs, the chemicals largely responsible for man-made thinning of the ozone layer.

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So far, the search for extraterrestrial life beyond our solar system has focused on finding Earth-like planets. And sure, planets are great, since we know at least one of them harbors life. But David Kipping of the Harvard-Smithsonian Center for Astrophysics thinks that search might be a tad too narrow. In a new paper, Kipping described how current technology can be re-tasked to search for another life-bearing body: moons.

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Whether they are assisting the elderly, or simply popping human skulls like ripe fruit, robots aren't usually known for their light touch. And while this may be fine as long as they stay relegated to cleaning floors and assembling cars, as robots perform more tasks that put them in contact with human flesh, be it surgery or helping the blind, their touch sensitivity becomes increasingly important.

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Like most Internet applications, Twitter connects you with people who seem to exist in a vast, abstract, cyberspace. Now, a new iPhone app from the French company Presselite uses augmented reality to show you exactly where your friends are tweeting from.

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It's a scene familiar from a plethora of TV shows and movies: the crime scene photographer, carefully stalking around a taped-off area, meticulously documenting each piece of evidence as they lie beneath neon markers, noting the precise placement of each item as he snaps away. Well, thanks to a new procedure developed by Spanish scientists, that crime scene photographer is going to have a lot less work on his hands.

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