Now playing Next World News New report says world must boost efforts to suck carbon dioxide from the air By mid-century, we need to be removing 10 billion tons of atmospheric carbon dioxide each year. 24/10/2018
Now playing Next World News Here's how that weird, rectangular-looking iceberg came to be These bergs are actually more common than you may think. 24/10/2018
Now playing Next World News Facebook announces overhauled, simplified Messenger app The redesigned messaging app condensed the previous layout of 9 tabs down to 3 tabs — "Chats," "People," and "Discover." 24/10/2018
Now playing Next World News Elon Musk says Twitter locked his account over fear it had been hacked The Tesla CEO tweeted about his love for Japanese anime cartoons and said "I own a chibi Wolverine." 24/10/2018
Now playing Next World News Why social media is still a minefield for journalists Politico editor-in-chief John Harris became the most recent high-profile journalist to slip up on Twitter, where there is a temptation to stray from reporting. 23/10/2018
Now playing Next World News YouTube CEO calls on creators to rally against E.U. copyright legislation Wojcicki urged YouTubers to use the hashtag "#SaveYourInternet" in social-media posts to express opposition to the EU directive. 23/10/2018
Now playing Next World News Oculus co-founder says he's leaving, adding to recent Facebook departures Brendan Iribe wrote on Twitter that he was "moving on to the next chapter" six years after he launched Oculus and its Rift headset with a group of co-founders. 23/10/2018
Now playing Next World News Elon Musk says his first tunnel will open in December However, L.A. residents won't be able to zip across town by tunnel just yet. 23/10/2018
Now playing Next World News Al Jazeera calls for return to Snapchat's media platform in Saudi Arabia Snapchat is particularly popular in Saudi Arabia, with more users than Instagram or Twitter, according to an Arabic-focused social media analysis firm. 23/10/2018
Now playing Next World News This robo-dog has better dance moves than most humans It can shimmy, shake and even moonwalk. 23/10/2018
Now playing Next World News Watch: ‘Headless chicken monster’ discovered by new photo technology Australian researchers have filmed an unusual sea cucumber in the Southern Ocean using deep-sea cameras and hope it can help a conservation drive. 22/10/2018
Now playing Next World News Human powers of hibernation may be dormant in genetic code "It sounds like science fiction, but there is absolute biological truth to this." 22/10/2018
Now playing Next World News This bizarre-looking font helps you remember what you read The half-finished letters are designed to make us more engaged with what we're reading, which increases memory retention. 21/10/2018
Now playing Next World News Exclusive: Twitter pulls down bot network pushing pro-Saudi talking points Twitter became aware of some of the bots on Thursday when NBC News presented the company with evidence of coordinated activity. 19/10/2018
Now playing Next World News Stephen Hawking claims 'no possibility' of God in last book "I think the universe was spontaneously created out of nothing." 18/10/2018
Now playing Next World News Elon Musk is buying up $20 million of Tesla stock Tesla stock rose almost 2 percent in pre-market trading on news of the filing. 18/10/2018
Now playing Next World News Reddit CEO talks fending off Russians and limits of free speech "We've become more sophisticated," CEO Steve Huffman said of Reddit's efforts to stop foreign influence campaigns. 18/10/2018
Now playing Next World News Huge alien planets detected around baby star for first time ever The unprecedented discovery challenges long-held ideas about how planets form. 18/10/2018
Now playing Next World News Twitter releases massive data trove on foreign influence campaigns The data includes more than 10 millions tweets as well as images, GIFs, videos and live broadcasts, Twitter said. 17/10/2018
Now playing Next World News Barry Diller warns that media companies won't catch Netflix "The movie business, for all intents and purposes, is dead," Diller said on the day Netflix reported it had reached 137 million subscriptions. 17/10/2018