Science
The latest Science coverage from the Chattanooga Times Free Press, part of our News section.
More in Science, page 9
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Trump’s EPA revokes scientific finding that underpinned US fight against climate change
The Trump administration on Thursday revoked a scientific finding that long has been the central basis for U.S. action to regulate greenhouse gas emissions and fight climate change, the most aggressive move by the Republican president to roll back climate regulations.
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Elon Musk wants to build an AI satellite factory on the moon
Elon Musk told employees at xAI, his artificial intelligence company, on Tuesday evening that the company needed a factory on the moon to build AI satellites and a massive catapult to launch them into space.
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Moderna says FDA refuses its application for new mRNA flu vaccine
The U.S. Food and Drug Administration is refusing to consider Moderna's application for a new flu vaccine made with Nobel Prize-winning mRNA technology, the company announced Tuesday.
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Can apes play pretend? Scientists use an imaginary tea party to find out
A new experiment hints that an ape may be able to play pretend like humans do.
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Being a night owl may not be great for your heart but you can do something about it
Being a night owl can be bad for your heart.
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US life expectancy hit an all-time high in 2024, CDC says
U.S. life expectancy rose to 79 years in 2024 — the highest mark in American history.
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Researchers find Antarctic penguin breeding is heating up sooner, and that’s a problem
Warming temperatures are forcing Antarctic penguins to breed earlier and that's a big problem for two of the cute tuxedoed species that face extinction by the end of the century, a study said.
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In a warming world, freshwater production is moving deep beneath the sea
Some four miles off the Southern California coast, a company is betting it can solve one of desalination's biggest problems by moving the technology deep below the ocean's surface.
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Ailing astronaut returns to Earth early in NASA’s first medical evacuation
An ailing astronaut returned to Earth with three others on Thursday, ending their space station mission more than a month early in NASA’s first medical evacuation.
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NASA, in a rare move, cuts space station mission short after an astronaut’s medical issue
In a rare move, NASA is cutting a mission aboard the International Space Station short after an astronaut had a medical issue.
