Nasa has announced that it has found evidence of flowing water on Mars. Scientists have long speculated that Recurring Slope Lineae -- or dark patches -- on Mars were made up of briny water but the new findings prove that those patches are caused by liquid water, which it has established by finding hydrated salts. Several hundred camped outside the London store in Covent Garden. The 6s will have new features like a vastly improved camera and a pressure-sensitive "3D Touch" display

Today on In Case You Missed It: We are rounding up a few interesting robot and car stories at the top of the show because simply too much happened since last week to just chose one. The University of North Texas drug-sniffing car needs a mention, and so does the US Army's new bomb bot. Also, researchers from MIT developed a gel that dries as a totally clear second skin. It could be used to do something as simple as smooth out wrinkles (see ya, botox!) or deliver topical medicine, covertly. And Harvard's Wyss Institute came up with a cheap way to test for the Zika virus; hopefully at-risk states take notice.

Most of us have struggled to prise the lid off a jar of jam or been frustrated by the tricky safety caps on bottles of pills, but now there is robotic help at hand - literally. Engineers have developed a machine with two highly dexterous arms that are capable of unscrewing even the trickiest of lids. The talents of the RE2 Robotics High Dexterous Manipulation System extend even to tying knots, opening zips, making balloon animals and cutting snowflakes out of folded paper. A pair of robotic arms developed by engineers at RE2 Robotics is so dexterous it can unscrew the lids of jars (pictured) and even use a pair of scissors to cut out shapes from folded paper. Yet despite its handiness around the home, the robot is additionally capable of lifting three times its own weight, and the company behind it said it could be used to dismantle unexploded bombs.

These days, many an argument over trivial questions like the year a celebrity died or when an historical event happened can be settled with a quick search on Google. But search engines could soon be used to settle more complex arguments, involving serious political debate. A group of researchers in Germany are looking into ways to use search engines to shed light on the most complex political discussions. In just seconds, digital systems should be able to evaluate millions of documents, such as online discussions on controversial topics like the Transatlantic Trade and Investment Partnership (TTIP). The'Robust Argumentation Machines' project has been set up by Bielefeld University in Germany.

A team led by an Indian-origin computer engineer from University of Washington has built a five-fingered robotic hand that can not only perform dexterous in-hand manipulation but also learn from its own experience without depending on humans to direct it. Hand manipulation is one of the hardest problems that roboticists have to solve. "Several robots today have pretty capable arms but the hand is as simple as a suction cup or maybe a claw or a gripper," said lead author Vikash Kumar, doctoral student in computer science and engineering. The team spent years custom building one of the most highly capable five-fingered robot hands in the world. Then they developed an accurate simulation model that enables a computer to analyse movements in real time. In their latest demonstration, they apply the model to the hardware and real-world tasks like rotating an elongated object.

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It's no secret that much of the wisdom of the world lies in unstructured data, or the kind that's not necessarily quantifiable and tidy. So it is in cybersecurity, and now IBM is putting Watson to work to make that knowledge more accessible. Towards that end, IBM Security on Tuesday announced a new year-long research project through which it will collaborate with eight universities to help train its Watson artificial intelligence system to tackle cybercrime. Knowledge about threats is often hidden in unstructured sources such as blogs, research reports and documentation, said Kevin Skapinetz, director of strategy for IBM Security. "Let's say tomorrow there's an article about a new type of malware, then a bunch of follow-up blogs," Skapinetz explained.

CEO and co-founder of Viv Dag Kittlaus speaks onstage during TechCrunch Disrupt NY 2016 at Brooklyn Cruise Terminal on May 9, 2016 in New York City. Apple's Siri co-creators, Dag Kittlaus and Adam Cheyer, introduced their newly designed virtual assistant AI Viv, dubbed "The Global Brain." Kittlaus and Cheyer's latest venture in artificial intelligence research proved a rewarding call as AI Viv impressed the public. AI Viv goes beyond Siri's boundaries and performs various tasks that involve third-party exchange and transactions. While Apple's virtual assistant provided reliable in referencing information from the world wide web, users hoped to eventually see more.

Picking the winner from the 20 horse field at the Kentucky Derby is hard. So hard, in fact, that no expert polled by SBNation was able to do it. That's why the holy grail at the racetrack is the Superfecta, where bettors are asked not only to pick the winner, but the second, third and fourth horses to finish the Derby. This is fiendishly difficult task that, not surprisingly, defeated every expert at Churchill Downs, where no one predicted the top four horses correctly, much less in the correct order. In the world of AI, even Bing Predicts blew it, picking only heavily favored Nyquist to win the race, but missing the other 3 picks entirely.

Artificial Intelligence is the new technology catchphrase. While nobody knows the ultimate power and the effects of AI's workings at this point, many tech startups and big corporations are investing in this technology. Tesla's Elon Musk is one of the few to raise concerns over AI. Not long ago, he famously said "AI might threaten humanity," if used in the wrong way. However, Microsoft U.K.'s Chief Envisioning Officer Dave Coplin sees AI in a totally different light.