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Program designers started with a close look at 1,710 paintings. For each work, the program logged the everyday items depicted, such as chairs and stoves, as well as features including color, composition and brushstroke. By comparing lists of these features with lists made from reference paintings, the program figured out the style of unknown paintings about 70 percent of the time, computer scientist Ahmed Elgammal and colleagues at Rutgers University in Piscataway, N.J.,report August 19 in Multimedia Tools and Applications.

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The problem was that in the earnings report, the Internet giant showed signs that its ultraprofitable business in search advertising was starting to slow.

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The Lenovo Yoga 2 Pro sports a versatile, ultraportable design, featuring a 360-degree hinge that allows you to use it in Laptop, Stand, Tablet, and Tent modes. This makes it easy to switch between touch-friendly and keyboard-centric usage. Weighing just 3.1lbs and measuring 0.61-inches thick, this laptop will be a snap to grab on the go and bring with you wherever you’re going. With a battery life of up to nine hours, it’ll also be able to live free from the power cord most of the time.

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Facebook has added a new feature that will make it easier for people to check that friends are safe when caught up in natural disasters like earthquakes and tsunamis. Safety Check will work on the social network’s mobile and desktop versions, including its Android and iOS apps.

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Your Twitter timeline is about to get more musical, after the social network launched a new Twitter Audio Card feature that is already being used by SoundCloud and Apple’s iTunes. David Guetta, Deadmau5, Alt-J and Coldplay are among the musicians already taking advantage, although the new card can be used by non-musicians too: the White House, NASA, Washington Post and BBC World Service are also on board for the new feature’s launch.

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