The Trump administration says easing these standards will make cars more affordable. Critics say it's not so simple and could be costly for the environment.
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Hurricane Nolo edged further away from the Hawaiian Islands on Sunday as major Hurricane Polo bore down on Mexico's Baja California peninsula with a threat of storm surge, high winds and heavy rains.
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So far, scientists have identified more than 1,300 species of sea spiders.
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In 1960, astronomer Frank Drake listened for signals from alien worlds. Reporter Brendan Byrne's podcast When We Find Them picks up the search and asks what would happen if we finally find something.
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At the World Sauna Congress in Oslo, NPR's Will Stone covers how scientists and enthusiasts are exploring heat exposure as a growing global trend to boost wellbeing and fight social isolation.
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The Pacific Ocean has had an unusual number of storms this year, while the Atlantic hasn't recorded a single full-blown hurricane. Scientists point to an exceptionally strong El Niño.
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Across the country, lost-and-found networks seek to reunite objects with disaster survivors. The work can take years. In some cases, it's impossible to pick up all the pieces.
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The rare genetic variant increases chances of non-smokers getting lung cancer by 25 times.
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Stories of science funding being cut, labs shutting down and scientists losing jobs have flooded the media under Trump's administration. These six graphics show how those changes have affected U.S. biomedical research.
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Southwestern Mexico braced for heavy rain and mudslides after Polo became a major hurricane. Forecasters warned another system headed for Hawaii could cause catastrophic flooding later in the week.