Now playing Next USA Tiktok bans political and advocacy advertising from its platform Political ads clash with its "positive, refreshing environment," says Blake Chandlee, Tiktok's vice president of global business solutions. 04/10/2019
Now playing Next USA Trump seized on a conspiracy theory called the 'insurance policy.' Now, it's at the center of an impeachment investigation. Just months after Trump's inauguration, conspiracy theorists pushed a fanciful and unsubstantiated narrative in which the DNC framed Russia for election interference. 03/10/2019
Now playing Next USA What is dark energy? The mysterious force is pushing galaxies apart and causing the universe to expand at an accelerating rate. 03/10/2019
Now playing Next USA Uber just launched an app to connect temp workers with jobs The launch of Uber Works comes as the ride-hailing company has been struggling to turn a profit. 03/10/2019
Now playing Next USA Inside the startup that is building AI-powered military technology 'The technology companies that should be solving these problems refuse to do so," Anduril co-founder Palmer Luckey told NBC News. 03/10/2019
Now playing Next USA Apple CEO Tim Cook shows unprecedented support to DACA ahead of SCOTUS decision "Our country made a deal with a highly vulnerable population interested in a bright future, and we should keep that deal," said Cook. 02/10/2019
Now playing Next USA Our solar system's mysterious 'Planet 9' may actually be a black hole A new theory suggests that a so-called primordial black hole may lurk beyond Neptune in the outer solar system. 02/10/2019
Now playing Next USA Google will soon let you delete your YouTube history Tech giants are battling to introduce privacy tools that will convince users — and regulators — that they do not have an iron-clad grip on your data. 02/10/2019
Now playing Next USA Iceberg bigger than L.A. just broke off Antarctic ice shelf Scientists say the calving is part of a natural process, though they worry about shrinking polar ice and the resulting rise in sea levels. 02/10/2019
Now playing Next USA Aliens may have bugged space rocks to spy on Earth, scientist says A new proposal suggests scouring so-called co-orbitals for advanced alien technology used to eavesdrop on our planet. 01/10/2019
Now playing Next USA Warren on leaked Zuckerberg audio: '#BreakUpBigTech' Zuckerberg told employees that if a President Warren threatened to break up Facebook, "you go to the mat and you fight." Warren responded, "It's time to #BreakUpBigTech." 01/10/2019
Now playing Next USA Trolls for hire: Russia's disinformation firms offer propaganda with a professional touch Firms charged varying prices for services, such as $8 for a social media post, $100 per 10 comments made on an article or post and $65 for contacting a media source. 01/10/2019
Now playing Next USA Ex-Yahoo engineer pleads guilty to hacking thousands of accounts The man used his work access to search Yahoo accounts for private materials before branching out to Facebook, Gmail and other accounts, prosecutors said. 01/10/2019
Now playing Next USA Ancient ape fossil yields surprising new insights about human evolution A fossilized pelvis found in Hungary suggests human ancestors were able to stand upright much earlier than anthropologists had realized. 30/09/2019
Now playing Next USA Meet the drag queen revolutionizing the streaming world on Twitch "I wasn't a drag queen .. until I started my Twitch channel," said Deere, who is paving the way for drag video game streamers on Twitch. 29/09/2019
Now playing Next USA On Twitch, women who stream say their biggest obstacle is harassment "There's definitely days where I'm like, 'I can't even stream because there's so much mean stuff,'" said Lisa Vannatta, who goes by STPeach on the site. 29/09/2019
Now playing Next USA Drought exposes long-submerged 'Spanish Stonehenge' monument Water levels in a manmade lake dropped significantly this summer after record heat and dry conditions. 29/09/2019
Now playing Next USA A teen's fatal stabbing was filmed: Is social media to blame? "We see these terrible stories, and they are terrible, and we all immediately wonder, if this were happening to me, would people come to my aid?" one media expert said. 28/09/2019
Now playing Next USA Climate scientists say Greta Thunberg's efforts are building real momentum "She is getting people to listen, which we have failed to do," one climatologist said. 28/09/2019
Now playing Next USA Cannabis research pioneer hopes latest discovery is not overlooked — again Decades after Raphael Mechoulam linked CBD with treating epilepsy, his latest finding may help develop new drugs for psoriasis, arthritis and anxiety. 26/09/2019