A file photo dated 06 January 2004 shows Apple Computer's CEO Steve Jobs sitting in front of a project Apple Computer logo during his keynote speech at the MacWorld Expo in San Francisco, California, USA. Apple's (AAPL) epic fall on the stock market took a symbolic turn Thursday after its market value again dropped below its top rival's. That makes it second fiddle behind Google parent Alphabet (GOOGL) at 499.9 billion. Shares of Apple have been in freefall this year, dropping more than 14%, amid the company's disappointing first-quarter results. It's the second time this year Alphabet's market value has surpassed Apple's.

It has been claimed they were the earliest example of stone age art ever seen in Germany, showing a man, a woman and a phallus. The find at the 75m long Mäanderhöhle cave in Bavaria was hailed as a major breakthrough, with hundreds of lines found to form patterns believed to be fertility symbols. An archaeologist studied these lines several years later and published his interpretation of them in a preliminary report, in which he said that the between 14,000 and 16,000 year-old lines were made by humans and probably depicted a phallus and abstract female figures. The find at the 75m long Mäanderhöhle cave in Bavaria was hailed as a major breakthrough, with hundreds of lines found to form patterns believed to be fertility symbols. Here, a 3D scan shows the strange lines which experts now say were formed by'natural processes'.

Humans are continuously emitting chemicals into the air – whether by breath or through the skin. Now, researchers have discovered the chemicals found in exhaled breath actually correspond to human emotions, especially while watching certain genres of films. By measuring chemical signatures, they could determine a person's reaction to specific films on a scene-by-scene basis and the type of scene playing – with comedy and suspense eliciting a particularly pungent response. Researchers have discovered that the chemicals found in exhaled breath actually correspond to human emotion. By measuring the chemical components, they could determined a person's reaction to movies on a scene-by-scene basis and types of scene playing– particularly suspenseful or funny ones The team conducted a large scale study involving more than 9,500 moviegoers who watched 108 screenings of 16 different films in two separate theaters at the Cinestar Cinema in Mainz, Germany.

I recently wrote about Google's efforts to "show" you how to rank. They held an online Q&A session where Google search quality senior strategist Andrey Lipattsev listed the three most important factors the search engine uses to rank websites and web pages. Content and links tied for number one, and RankBrain, the new artificial intelligence system that helps to sort and deliver a large number of the search engine's results, comes in at number three. The thought crossed my mind that many of you might not be aware of RankBrain and that we should maybe talk about that. At its core, RankBrain is a machine-learning artificial intelligence system that's used to help process Google search results.

Tesla Motors (TSLA) partner Nvidia (NVDA) rocketed late Thursday after the maker of graphics chips beat Q1 sales expectations and topped earnings views by a penny, led by faster adoption of artificial intelligence technology that utilizes Nvidia graphics chips. In after-hours trading after its earnings release, Nvidia stock was up nearly 6%, rebounding from a 1.4% dip, to 35.57, in the regular session. Shares are up 8% for the year. For Q1, Nvidia reported 1.3 billion in sales and 33 cents earnings per share, up a respective 13% and 38% vs. the year-earlier quarter, and topping the consensus of 26 analysts polled by Thomson Reuters for 1.26 billion and 32 cents. CEO Jen-Hsun Huang credited accelerated growth of deep-learning, or AI, technology for the Q1 beat.

"Tom Clancy's The Division" was the biggest launch of a new video game property ever, which helped Ubisoft report a profit for its fiscal 2015-2016, the company said Thursday. Ubisoft reported a decrease in sales but a rise in profit for its fiscal 2015-16. Sales were 1.8 billion, down 4.8 percent compared to the previous year, but the 147 million profit was up from the 128 million posted the previous year. "The Division" has amassed 9.5 million registered players since its launch on March 8. Active players are spending around three hours daily on the open world third-person shooter. Bolstering Ubisoft's earnings report was the better-than-expected release "Far Cry Primal," which had the biggest February launch.

Yorgos Lanthimos makes enigmatic films that exist in universes all their own. His latest, "The Lobster," is at once cerebral and emotional, an abstracted allegory on power, love and the power of love. His films can also be so cryptic and inscrutable that they remain mysterious even to their maker. Few filmmakers are as reticent to give definitive answers, open to outside interpretations or willing to simply respond to questions with an "I don't know." "Well, what am I going to do, fake it?"

Imagine if your teaching assistant was actually a robot--and looked like Alicia Vikander. A picture of the "Ex Machina" lead actress graces a Wall Street Journal article that explores students' surprise when they discovered one of their teaching assistants was, in fact, a bot. Her responses--which fooled even former IBM employees--were based on looking through nearly 40,000 questions and answers on a discussion forum. Ashok Goel, the professor who teaches the online Georgia Tech computer science course, believes that bots like Jill can answer 40 percent of all students' questions--many of the mundane variety--within a year. Best quote of the story goes to a student: "We're taking an artificial intelligence class. There should be some artificial intelligence here."

A file photo dated 06 January 2004 shows Apple Computer's CEO Steve Jobs sitting in front of a project Apple Computer logo during his keynote speech at the MacWorld Expo in San Francisco, California, USA. Apple's (AAPL) epic fall on the markets took a symbolic turn Thursday after its market value again dropped below its top rival's. That makes it second fiddle behind Google parent Alphabet (GOOGL) at 497.8 billion. Shares of Apple have been in freefall this year, dropping more than 14%, amid the company's disappointing first-quarter results. It's the second time this year that Alphabet's market value has surpassed Apple's.

Google is expected to hit the smart home market in a big way with a new device codenamed Chirp. According to a report from Recode, the tech titan is moving in on the turf carved out by Amazon's Echo with its own voice-activated assistant for the home. The device probably won't see the light of day until later this year, though we may see some hints of what's to come by reading between the lines at Google's developers conference in San Francisco next week. The company did not immediately respond to a request for comment. Google has been focused on the smart home for years, and in 2014 forecast broader ambitions in the space by buying smart appliance maker Nest for 3.2 billion.