Now playing Next World News This skyscraper-sized air purifier is the world's tallest The tower is about as tall as a 20-story building. 21/03/2018
Now playing Next World News Google pledges $300 million to fight fake news 'Subscribe With Google' aims to get more readers consuming content direct from publishers. 20/03/2018
Now playing Next United Kingdom Facebook's Zuckerberg summoned to UK Parliament committee The tech giant's CEO has been summoned after the Cambridge Analytica scandal 20/03/2018
Now playing Next World News Euroviews. Cambridge Analytica scandal: How technology affects politics | View Digital rights activists from Tactical Tech discuss what Facebook users can do to safeguard their personal data and other things you need to know about the controversy over Cambridge Analytica's use of the tech giant's data. 20/03/2018
Now playing Next World News Facebook faces tough questions after Cambridge Analytica exposé #WheresZuck and other major questions hit Facebook 20/03/2018
Now playing Next World News A better way to search for space aliens? The approach requires no new telescopes nor even any new experiments. 19/03/2018
Now playing Next World News What Stephen Hawking taught us about black holes Turns out, black holes aren't so black. 17/03/2018
Now playing Next World News How cryptocurrencies could kill off cash National governments are also looking into creating virtual currencies of their own. 16/03/2018
Now playing Next World News 'Space genes' — an astronaut is now different from his twin brother After a ground-breaking space flight, an identical twin has slightly different genes from his brother. 15/03/2018
Now playing Next World News The International Space Station was never supposed to end like this New plan to defund space station opens up some surprising possibilities. 15/03/2018
Now playing Next World News Cryptocurrencies plunge on wave of bad news Google said it will ban cryptocurrency-related ads, the IMF called for global regulation and members of Congress slammed them at a hearing Wednesday. 15/03/2018
Now playing Next France France to sue Google and Apple for 'unfair business practices' French Economy Minister Bruno Le Maire says it's "unacceptable" that Google and Apple unilaterally impose prices and other contractual terms on software developers, and that this is hurting France's startups. 14/03/2018
Now playing Next World News British physicist Stephen Hawking dies at 76 Stephen Hawking, the British theoretical physicist who defied the odds his entire life, has died, his family announced early Wednesday. 14/03/2018
Now playing Next World News Trump blocks Qualcomm takeover by Broadcom President Trump says there is credible evidence" that the proposed $140bn (£100bn) takeover "threatens to impair the national security of the US". 13/03/2018
Now playing Next New Zealand Robots and racism: We discriminate against 'darker-coloured' humanoids Humans have similar automatic biases towards 'darker-coloured' robots as they do toward 'people with a darker skin colour', according to new research from the University of Canterbury. 11/03/2018
Now playing Next USA Elon Musk's hyperloop dream may come true — and soon 'It's happening far faster than I would have ever expected, and it's happening all over the world.' 11/03/2018
Now playing Next World News Time is slowing down in Europe. Here's why. Forget Daylight Savings, millions of clocks in 25 countries across Europe have lost almost 6 minutes since mid-January because of an electricity dispute between Serbia and Kosovo. 09/03/2018
Now playing Next World News Burger-flipping robot starts job at fast food restaurant Flippy could be the start of 'co-botic' workforces in the fast food industry. 09/03/2018
Now playing Next World News Fake news spreads further, faster on social media People are quicker to repeat something that's wrong than something that's true 08/03/2018
Now playing Next World News This gigantic wind turbine will be the world's tallest General Electric's Haliade-X will stand three times taller than typical wind turbines. 06/03/2018