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John J. Hopfield and Geoffrey E. Hinton are awarded this year's Nobel Prize in Physics, which was announced at a press conference by Hans Elle…

President Joe Biden says in defending his new tariffs on Chinese products that China's government subsidies ensure its companies don't have to turn a profit, giving them an unfair advantage in global trade. The Democratic president on Tuesday slapped tariffs on Chinese electric vehicles, advanced batteries, solar cells, steel, aluminum and medical equipment — taking potshots at presidential rival Donald Trump along the way as he embraced a strategy that's increasing friction between the world's two largest economies. The Chinese foreign ministry lashed out at the announcement. The tariffs come during a heated campaign between Democrat Biden and Republican predecessor Trump, both of them trying to show who's tougher on China.

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A tiny, low-priced electric vehicle called the Seagull has American automakers and politicians trembling. The car, launched last year by Chinese automaker BYD, sells for around $12,000 in China. But it drives well and is put together with craftsmanship that rivals U.S.-made electric vehicles that cost three times as much. Tariffs on imported Chinese vehicles probably will keep the Seagull away from America's shores for now. But the rapid emergence of low-priced EVs from China could shake up the global auto industry in ways not seen since Japanese makers arrived during the oil crises of the 1970s.

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An unusually strong solar storm hitting Earth could produce northern lights in the U.S. and potentially disrupt power and communications this weekend. The National Oceanic and Atmospheric Administration issued a rare severe geomagnetic storm warning Friday. The agency says the sun is producing strong solar flares and has hurled at least seven outbursts of plasma our way. NOAA has alerted operators of power plants and spacecraft in orbit to take precautions. NOAA says the storm could produce northern lights as far south as Alabama and Northern California.

The Eta Aquarid meteor shower peaks this weekend. Astronomers say it should be visible in both hemispheres. The Eta Aquarids occur every year in early May. The shower is caused by debris from Halley's comet. This year's peak activity happens early Sunday with an expected 10 to 30 meteors visible per hour in the Northern Hemisphere. Viewing should be even better in the Southern Hemisphere. The shower lasts lasts through May 27. Multiple meteor showers occur annually and you don't need special equipment to see them.