Even though we use our iPhones all day, every day, there are still a handful of features that are relatively unknown. Some of these features are buried in the Settings menu, while others are hidden in plain sight. Plus, there are a few things Siri can do for you that you may not know about. You can respond to texts directly from your lock screen by pulling down on the notification drawer and swiping over to the left on the text notification. You'll see a "Reply" option, and tapping it will let you type a response without having to unlock your iPhone.

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

If you're a soldier, firefighter or even a hiker, a new soft robotic suit could one day help you carry hefty loads, a new study finds. The wearable robot, or exosuit, reduces the amount of energy used while carrying a heavy weight by about 7 percent, on average, the researchers found. The suit also reduced the amount of work done by the hip, knee and ankle joints, all without affecting a person's stride, the researchers said. "The goal wasn't to create a system to give someone superstrength, but rather to provide small levels of assistance during walking over a long period of time, with the goal of reducing fatigue and the risk of injury," said study senior researcher Conor Walsh, a professor at the John A. Paulson School of Engineering and Applied Sciences at Harvard University in Massachusetts. Unlike a rigid exoskeleton or even a flashy Iron-Man-like suit, the exosuit Walsh and his colleagues built consists of textiles and soft materials that attach to a person's legs, waist and back.

As we see the rise of robotics for healthcare creep into the foreground, from Paro the cuddly seal cub invented to comfort elderly Japanese to the Singaporean robots exercising octogenarians, what about therapy? Even in those countries with the most developed healthcare systems, services are already stretched thin -- sometimes it takes weeks to get an initial assessment of your mental health. What if, instead, you could just log in and immediately start talking to a bot? Therapy bots are already well into development. SimSensei is currently in trials with American war veterans, tasked with treating PTSD, a wildly volatile illness.

Los Angeles, California – Indie developer and computer vision engineer, Mustafa Jaber, is pleased to announce the release of Capture Caption Lite, an AI-based app developed for iOS and Android devices. With the Capture Caption app, users can snap a photo with their smartphone or iPad and artificial intelligence will generate a word cloud using cutting-edge computer technology. These word clouds can be then downloaded to the user's image library and shared across multiple social media platforms. The brainchild of electrical engineer and image processing expert Mustafa Jaber, the app uses an artificial intelligence platform that derives information from images. This program understands the content of any image by using powerful machine-learning models, which can quickly classify images into thousands of categories.

Google is launching a new project to see whether artificial intelligence can create art. In a talk at Moogfest, a US technology festival, Google researcher Douglas Eck described a project that would seek to understand whether or not a computer can create art. Magenta, which will launch in early June, is part of Google Brain, the company's deep learning research. Eck said the project was in part inspired by DeepDream, an artificial intelligent system trained to find patterns in pictures. "There's a couple of things that got me wanting to form Magenta, and one of them was seeing the completely, frankly, astonishing improvements in the state of the art. And I wanted to demystify this a little bit," said Eck. "The question Magenta asks is, 'Can machines make music and art? If not, why not?'," he said.

This metal marvel might just be the soldier of the future... but far from being science fiction, this one is real. Affectionately known as Ivan the Terminator, Project Iron Man is a humanoid military robot currently being developed in Russia. For years, the country has been trying to keep up with the U.S. and China, which are building robots, drones and other military hi-tech machines with great success. The aim of the Russian robot soldier is to'replace the person in the battle or in emergency areas where there is a risk of explosion, fire, high background radiation, or other conditions that are harmful to humans', Komosomolskaya Pravda reported. This humanoid military robot is currently being developed in Russia.

Can software identify complex personality traits simply by analysing your face? Faception, a start-up based in Tel Aviv, Israel, courted controversy this week when it claimed its tech does just that. And not just broad categories such as introvert or extrovert: Faception claims it can spot terrorists, paedophiles – and brand promoters. "Using automated feature extraction is standard for face recognition and emotion recognition," says Raia Hadsell, a machine vision engineer at Google DeepMind. The controversial part is what happens next.

At Santa Monica video game maker Naughty Dog, it doesn't take long to notice that co-responsibilities are commonplace. Pitting bosses against each other to decide on characters, gameplay and script is a key strategy the firm credits for its succession of highly-rated games. The latest, "Uncharted 4: A Thief's End," topped the charts in several countries with 2.7 million copies sold worldwide during its first week on the market this month. The 60 Sony Playstation 4 exclusive culminates Naughty Dog's series featuring fictional treasure hunter Nathan Drake. Naughty Dog has long cultivated an unusually free-flowing development process that empowers anyone at any stage to share their ideas -- and defend them.

This week's top Machine Learning stories, including robots to drive your car, diagnose your medical images, pick up your mess, and more! Machine Learning is one of the most exciting fields in the world. Every week we discover something new, something amazing, something revolutionary. It's incredible, but it can also be overwhelming. That's why we created This Week in Machine Learning!