Science
The latest Science coverage from the Chattanooga Times Free Press, part of our News section.
More in Science, page 6
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Q&A: Apollo astronaut Schmitt talks about getting back to the moon and life in the universe
It was 1972 and Apollo astronauts Harrison "Jack" Schmitt and Eugene Cernan had just stepped onto the moon's surface to begin collecting rock and soil samples.
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Researchers have spent decades breeding better potatoes for chips, and their work isn’t done
There’s a surprising amount of science in a bag of potato chips.
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Vaccines, budget cuts and affordability: Takeaways from RFK Jr.’s gauntlet of congressional hearings
Health Secretary Robert F. Kennedy Jr. on Wednesday concluded a marathon series of hearings with federal lawmakers, during which he deflected blame for measles outbreaks and dwindling vaccination rates across the country and touted several initiatives he says are making health care more affordable.
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Reclassifying marijuana as a less dangerous drug might only be the first step for Trump
President Donald Trump's decision to reclassify state-licensed medical marijuana as a less dangerous drug is a boon for the industry: It gives dispensaries a big tax break, eases some barriers to researching cannabis and could even allow the export of marijuana to other countries.
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US health officials nix publication of a study on COVID vaccine effectiveness
U.S. health officials stopped the publication of a study on whether the COVID-19 vaccine was keeping adults from becoming sick enough to have to go to the hospital.
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Astronomers measure the mind-blowing power and speed of black hole jets for the first time
For the first time, scientists have measured the instantaneous mind-blowing power of jets blasting from a black hole.
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Tijuana River sewage is making the air toxic and sickening thousands in California
The smell of rotten eggs permeates Steve Egger's Southern California home, especially at night as the nearby Tijuana River foams up with sewage from Mexico before emptying into the Pacific Ocean.
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Artemis II astronauts praise their moonship’s performance, especially the heat shield
The Artemis II astronauts who ignited a lunar renaissance gave high marks Thursday to their moonship, especially the heat shield, for its performance during reentry.
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A vaccine standoff and other key moments from RFK Jr.’s first congressional hearing in months
Health Secretary Robert F. Kennedy Jr. on Thursday faced federal lawmakers for the first time since September as he sought to defend a more than 12% proposed cut to his department's budget and dodge arrows from angry Democrats along the way.
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Artemis II’s record-breaking journey around the moon ends with dramatic splashdown
Artemis II’s astronauts closed out humanity’s first lunar voyage in more than half a century with a Pacific splashdown on Friday, blazing new records near the moon with grace and joy.
