China’s carbon emissions fall; norovirus vaccine; chaotic breakup of the solar system Podcast Por arte de portada

China’s carbon emissions fall; norovirus vaccine; chaotic breakup of the solar system

China’s carbon emissions fall; norovirus vaccine; chaotic breakup of the solar system

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 Episode 303 China is becoming a de facto leader in the fight against climate change. Right now it’s the world’s biggest emitter of carbon dioxide, but after years of keeping its emissions steady, they have finally begun to fall. And this is all while China’s power demands have increased - suggesting its efforts to build clean energy are paying off. But is this enough to make a realistic dent on curbing global warming? And how will the uncertainty of President Trump’s administration impact this trend? A vaccine for the dreaded norovirus is in the works - and it’s already proving effective. Known as the winter vomiting bug, this nasty gastrointestinal illness affects 685 million people a year. Thanks to a company in San Francisco and some heroic people who served as test subjects, we may be closer than ever to staving it off. At some point, in a few billion years, our solar system may break up in the most spectacular fashion, simply because of random chaos and instability. But now researchers have found a bigger threat to the survival of our solar system - passing stars. Less random and chaotic, stars actually pass by our sun fairly regularly, and could dislodge planets like Pluto, flinging them out of orbit and impacting the other planets. Do you find yourself teary eyed when cutting onions? Well, you’re in luck. Scientists have found the perfect way to cut an onion without crying. We provide a live demonstration for your amusement. Chapters: (00:47) Decline of China’s carbon emissions (11:05) Norovirus vaccine (17:52) Catastrophic break-up of our solar system (23:26) Scientific way to cut an onion without crying Hosted by Rowan Hooper and Penny Sarchet, with guests James Dinneen, Carissa Wong, Alex Wilkins, Lauri Myllivirta, Chris Packham and Sean Raymond. To read more about these stories, visit https://www.newscientist.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices
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