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Now playing Next USA Thousands of foreign students may have overstayed U.S. visas by 'working' for fake companies F-1 visas let foreign students stay in the U.S. to work after graduating. Most use the program legally, but recent probes have revealed fraud. 02/01/2020
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Now playing Next USA Facebook's 'inaccurate' HIV PrEP ads an 'imminent danger,' LGBTQ groups say Dozens of LGBTQ and HIV and organizations signed an open letter claiming the ads are "causing significant harm to public health." 11/12/2019
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Now playing Next USA Uber riders and drivers share fears about safety after company releases assault numbers Uber noted in its report that assaults happen in a small fraction of rides, but a criminologist called the data "alarming." 07/12/2019
Now playing Next USA Birds are getting smaller. Scientists see the echo of climate change. A separate study published in September in the journal Science found that human activities and ecological changes are already having a devastating impact on bird populations. 05/12/2019
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Now playing Next USA In Las Vegas, Elon Musk's tunneling company digs in The city is laying claim to having "the first commercial endeavor" from the Boring Company. 16/11/2019
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