Timothy A. Clary
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AFP via Getty Images
The Tyrannosaurus rex fossil known as "Gus" will go up for auction on Tuesday. It's not the first time dinosaur bones have been sold to the highest bidder.
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The Trump EPA calls Biden-era rules for cutting pollution from heavy trucks "unworkable." The proposed changes have been celebrated by trucking groups and denounced by environmental groups. -
Inspired by diving birds, roboticists built the lightweight machines to move from water to air. The design may one day lead to robots that can monitor and sample the coastal ocean. -
More than 150 million people in the United States live in areas affected by harmful levels of air pollution.
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In cities across the U.S., parades were canceled and events were delayed because of the heat. Meanwhile, emergency rooms saw a high number of people with heat-related illnesses. -
Green gentian wildflowers are in a major superbloom in the alpine meadows of Colorado. NPR's Ayesha Rascoe talks to David Inouye, a researcher who has been studying these magnificent flowers for decades.
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To clean animal skeletons used for research and education, scientists are turning to a new type of beetle larva. These "superworms" provide an efficient solution to a difficult challenge.
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Scientists have created the most advanced synthetic cell yet made in a laboratory. They've dubbed it "Spudcell," echoing Sputnik, the first artificial satellite.
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Volunteer scientist spend their time tracking living things in the Great Smoky Mountains National Park. It's all part of an important science project.
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It's a tick that hunts you down and transmits a potentially dangerous allergy to red meat. The New Yorker writer Burkhard Bilger discusses the lone star tick and the risks of alpha-gal syndrome.
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Meteor Crater is one of the best-preserved impact craters on the planet. For years, visitors have wanted access to the bottom. Now for the first time ever, the narrow trail that leads to the bottom of Meteor Crater is open for guided tours.
