Science
The latest Science coverage from the Chattanooga Times Free Press, part of our News section.
More in Science, page 8
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Dietary supplement makers push the FDA to allow peptides and other new ingredients
Makers of dietary supplements are pushing the Food and Drug Administration to expand the types of ingredients they can put in their products, a change that could open the door to more marketing of peptides, probiotics and other trendy wellness offerings.
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Artemis II astronauts arrive at Florida launch site for first moon trip in 53 years
The astronauts set to become the first lunar visitors in more than half a century arrived at their launch site Friday, joining the towering rocket that stands poised to blast off next week and send them around the moon.
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Subscriber Exclusive
Q&A: Margaret and Billy Renkl discuss their latest collaboration, a nature book for children
Whether she's writing a column for The New York Times or journal entries about the backyard critters she spies from her Nashville home, Margaret Renkl's nature writing is full of warmth and heart, a beautiful entwining of how the natural world impacts our inner worlds.
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RFK Jr. makes food sound like a miracle drug. Researchers say he often overstates the science
Health Secretary Robert F. Kennedy Jr. is promoting food as medicine, but experts say he's overstating what diet can do for serious illness
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King penguins are the rare species benefiting from a warming world. But that could change
King penguins are adapting to climate change in a way that seems to help them breed successfully, which is unusual.
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Spacecraft’s impact changed asteroid’s orbit around the sun in a save-the-Earth test, study finds
An asteroid that NASA used for target practice a few years ago was nudged into a slightly different route around the sun, findings that could help divert a future incoming killer space rock, scientists reported Friday.
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NASA revamps Artemis moon landing program by modeling it after speedy Apollo
NASA said Friday it's revamping its Artemis moon exploration program to make it more like the fast-paced Apollo program half a century ago, adding an extra practice flight before attempting a high-risk lunar landing with a crew in two years.
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What is ALS, the disease that killed actor Eric Dane?
The fatal nervous system disease known as ALS, or Lou Gehrig's disease, killed actor Eric Dane less than a year after he announced his diagnosis.
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Following Trump’s lead, some GOP states seek to limit environmental regulations
Some Republican legislators are looking to restrict their states' ability to set environmental regulations, a move that comes as President Donald Trump 's administration pushes to roll back environmental rules on power plants, water and greenhouse gases.
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New astronauts launch to the International Space Station after medical evacuation
A new crew rocketed toward the International Space Station on Friday to replace the astronauts who returned to Earth early in NASA's first medical evacuation.
